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Catalogue · 27 Sep 2026
DNA and haplogroups

R-FT4811

A maintained local edition of the research, with the original sources and assessments.

Haplogroup R-FT4811
"The Norman Progenitor" (c. 1066 CE)
Likely a Knight or Man-at-Arms in the De Ferrers Retinue
Cultural Context Parent Clade Migration Zone
Norse-Norman Feudal Elite
(Post-Conquest)

Descendants of Scandinavian settlers in Normandy (Rouen/Caen) who joined William the Conqueror.
R-S14827
(c. 350 CE)

The "Migration Period Gateway" that brought the lineage out of Scandinavia.
The Conquest Corridor
(Normandy → England)

Movement from N. France to the English Midlands (Derbyshire) and the Scottish March (Berwickshire).
The Great Post-Conquest Divergence
Path A: The Western Branch
(The Duffield Stewards)
Path B: The Eastern Branch
(The Border Lords)
Path C: The Basal Line
(The English Urbanites)
Formed: c. 1070 CE Primary Seat: Duffield Castle (Derbyshire). Feudal Context: Remained with the De Ferrers Earls. Historic Role: Castellans, Stewards, Foresters of Duffield Frith. Evolution: Later migrated to Glasgow as Clerics (John/Adam de Glasgu). Surnames: Duffield, Glasgow. Formed: c. 1120 CE Primary Seat: Chirnside Parish (Berwickshire). Feudal Context: Joined the Vipont or Davidian expansion north. Historic Role: Landed Gentry, Border Reivers, Caribbean Planters. Evolution: Adopted territorial (Chirnside) or descriptive (Le Brun) names. Surnames: Churnside, Brown.
R-FT4811*
Formed: c. 1050 CE (Parent) Primary Seat: Middlesex / East London. Feudal Context: Likely detached from the main feudal estates early on. Historic Role: Urban Tradesmen, Maritime roles. Evolution: Represents the survival of the original Norman line without the "Western" or "Eastern" mutations. Surnames: Wright.

The "Grandfather" Ancestor (c. 990–1066 AD)

  • Haplogroup: R-FT4811
  • Origin: A Norse-Norman patriarch. He (or his sons) arrived in England during the Norman Conquest (1066).

The Split (c. 1070 AD): Immediately after the invasion, the family fractured into two geographic distinct paths:

  • Path A (West): Went to Derbyshire (becoming de Duffield, then Glasgow).
  • Path B (East): Went to the Scottish Borders (becoming de Chirnside and Le Brun).

The R-FT4811 haplogroup

R-FT4811 sits on the R-Z17 > R-S20045 > R-S14827 branch of the R-U106 tree. FamilyTreeDNA Discover places the formation of R-FT4811 in the early second millennium, with a formation estimate around 1050 CE and a time to most recent common ancestor for current testers in roughly the same period. In the Glasgow project timeline we use a rounded working date of about 1000 CE for this node.

In that internal timeline R-FT4811 is about 600 years younger than R-S14827 and about 50 years older than the downstream branch R-FT32941. It stands between the early North Sea Germanic ancestors and the later surname-era Glasgow clusters such as R-FT25406 and R-FT20271. This makes R-FT4811 an important bridge haplogroup. Project research treats it as the point where a specific family rooted itself in the Scottish lowlands, probably in the Borders, before later movement toward Glasgow and overseas.

Z17 > S20045 > S14827 > FT4811 > FT32941 > FT25406 > FT20271 View source illustration

Within the Glasgow project there are four key YDNA waypoints between R-S20045 (about 100 CE) and the surname-era cluster R-FT20271 (about 1550 CE):

  • R-S14827
  • R-FT4811
  • R-FT32941
  • R-FT25406

R-FT4811 itself sits as the parent of at least two known sub-branches in the Discover tree, including R-FT32941 and R-FTA30932. These branches contain a mix of Glasgow and non-Glasgow surnames. The lowland Scots presence in more than one of these lines supports a model where R-FT4811 arose in, or moved early into, the Scottish Borders and then produced several closely related families.

FTDNA Discover: R-FT4811 View source illustration

We can see more detail for lines outside the Glasgow surname group in the FTDNA Discover Group Time Tree for R-S20045 and its subgroups.

R-S20045 Time Tree from FTDNA View source illustration

From the Discover tree and the Glasgow Surname DNA Project results we can identify several R-FT4811 connected lines:

  • The Glasgow surname cluster, which continues through R-FT32941, R-FT25406 and R-FT20271 (described on other sections of this study)
  • William Thomas Wright (1843-), whose tested descendants sit directly under R-FT4811
  • Alexander Churnside (1838-abt.1873), whose tested descendants sit on the closely related sub-branch R-FTA30932
  • A Brown tester in the same R-FTA30932 cluster, with a paper trail to colonial Virginia and a likely origin in the same Borders region

Together these lines point to a shared lowland Scots origin for R-FT4811, with later movement into Glasgow, England, the Caribbean and North America.

Position within the wider R-S20045 tree

The upstream and downstream path for this group, in simplified form, looks like this:

  • R-Z17
  • R-S20045 (about 100 CE in the Glasgow project timeline)
  • R-S14827
  • R-FT4811 (about 1000 to 1050 CE)
  • R-FT32941 (about 1050 to 1150 CE)
  • R-FT25406 (late medieval)
  • R-FT20271 (about 1550 CE)

R-S20045 and R-S14827 have strong links to the North Sea Germanic world. Sister lines appear in Scandinavia and in continental Europe. The R-FT4811 branch marks a much later narrowing and probably reflects one extended family in the British Isles.

The timing of R-FT4811 fits the late Viking age and the early Norman period in Britain. The Scottish Borders, including Berwickshire, saw overlapping Anglo-Saxon, Norse and Norman influence in this era. Project members treat this as the likely setting for the man who first carried R-FT4811.

Some project notes use the working label "lowland Scots progenitor" for this ancestor. The evidence that supports this label comes from three directions:

  • The Churnside connection to the parish of Chirnside in Berwickshire
  • The Glasgow surname cluster that appears later in lowland Scotland
  • The presence of a Brown and a Wright line that fit the same time frame and general region

The label describes a hypothesis, not a proven identity, and future Big Y results may refine the picture.

Historical and geographic context

A simple working model links the genetic tree to historical events in three broad phases.

Phase 1 - North Sea Germanic roots

Upstream markers such as R-S20045 and R-S14827 point to a Germanic origin around the North Sea. The timeframe for these markers runs from the late Iron Age into the early centuries CE. Sister lines with Scandinavian surnames support a link to Norway, Denmark or adjacent regions.

Men in this part of the tree had opportunities to join the movements that shaped early medieval Britain. This includes Anglo-Saxon settlement in eastern Britain and later Viking activity in the North Sea.

Phase 2 - Settlement in the Borders

By the time R-FT4811 formed, around 1000 to 1050 CE, the Borders region between what became Scotland and England held a mix of Northumbrian, Norse and incoming Norman influence.

The Churnside evidence points to a tight focus on Berwickshire:

  • The surname Churnside comes from the parish of Chirnside in Berwickshire
  • The R-FTA30932 sub-branch, which is a close relative of the Glasgow line, includes a tested Churnside with links to this area
  • Medieval records show Chirnside families in Berwickshire as local landholders and figures

This supports a model where the R-FT4811 ancestor lived in, or very close to, Chirnside or another parish in eastern Berwickshire. The family then produced several lines that later appear under different surnames.

Phase 3 - Movement toward Glasgow and overseas

Downstream branch R-FT32941 appears soon after R-FT4811. It leads to the Glasgow surname clusters described on the R-FT32941, R-FT25406 and R-FT20271 sections. The simplest explanation treats this as a younger son or close kinsman who moved west into the Glasgow region during the 12th or 13th century, during the growth of the bishopric and town.

The same period saw other family members follow different paths:

  • One line kept a Borders identity that later surfaced as the Churnside and Brown surnames
  • Another line carried R-FT4811 into England and eventually into east London, where the Wright family appears in the 19th century
  • Later branches of these families took part in British settlement overseas, including Jamaica and colonial North America

Families and testers connected to R-FT4811

The Glasgow surname under R-FT4811

The main focus of this study is the Glasgow surname line that descends from R-FT4811 through R-FT32941, R-FT25406 and R-FT20271. The surname-era common ancestors for that branch, such as Robert Glasgow (1749-1836), appear in more detail on the pages for those downstream haplogroups.

Within the Glasgow surname group, several Big Y testers converge on Robert Glasgow (1749-1836) and his sons. Other Big Y testers in the wider R-FT20271 parent group trace back to his father, which points to a shared Glasgow ancestor in 18th century Scotland.

For R-FT4811, the key point is that all of these Glasgow men share a common upstream root with the Wright, Churnside and Brown lines. The Glasgow cluster seems to represent a lowland Scots branch that inherited R-FT4811 in the Borders and later developed its own mutations as it spread through Glasgow, Ulster, the American colonies and other destinations.

Some project notes refer to R-FT32941 as a "Duffield / Glasgow" node, because of the possibility that a medieval branch of this family had connections in northern England, perhaps near Duffield in Derbyshire or in Yorkshire. This remains a working idea. It may help explain how a Borders family later appears under the Glasgow surname in western Scotland, but documentary proof is still limited.

William Thomas Wright - an R-FT4811 line in England

William Thomas Wright (1843-) represents a line that sits directly under R-FT4811 without the Glasgow-specific downstream mutations.

Key points for this line:

  • Born in 1843 in Bethnal Green, Middlesex, England
  • Associated with nearby Shadwell in Middlesex
  • Recorded father Henry Wright

The surname Wright has occupational roots, so it does not give a direct clue to medieval geography. The location in east London, together with the genetic position of the line, may point to earlier movement from the Borders or northern England into the London area, perhaps through trade, the navy or urban work.

Because this line branches above R-FT32941, it probably descends from a brother or cousin of the man who founded the main Glasgow line. It gives a useful reference point for the age and diversity of the wider R-FT4811 cluster.

Further work on parish records, census entries and wills for Henry Wright and his forebears may show whether this family came from a known U106 hotspot in eastern England or from a more direct Borders route.

Alexander Churnside (1838-abt.1873) represents a closely related sub-branch under R-FT4811, currently labelled R-FTA30932 in Discover.

Key points:

  • Born in August 1838 in Saint Mary, Jamaica
  • Died about 1873 in Jamaica
  • Carries a surname that derives from the parish of Chirnside in Berwickshire, Scotland
  • Project research suggests descent from a Patrick Chirnside recorded in some trees as born about 1455 in Chirnside, Berwickshire

The combination of a Chirnside-derived surname and an R-FT4811 derived haplogroup provides a strong geographic pointer. It implies that the shared ancestor of the Churnside, Brown and Glasgow branches lived in, or close to, the Chirnside area in the late medieval period.

The Churnside line then traces a path from that Borders origin to Jamaica. This fits wider patterns of Scots and northern English migration to the Caribbean in the 18th and 19th centuries, through roles in trade, plantations, the church or administration.

Parish records, sasines and local histories for Berwickshire, together with more YDNA testing of Chirnside or Churnside descendants, can refine the link between the modern Jamaican Churnsides and the medieval Borders family.

The Brown line under R-FTA30932

The same R-FTA30932 cluster includes a Brown tester whose paper trail reaches back to colonial Virginia. One representative figure is often cited in project notes as Dixon Brown, born about 1758 and linked to Virginia.

The Brown surname is common and can have several origins. In the context of this genetic cluster it likely reflects a Borders or lowland Scots origin that later fed into North American settlement.

Taken together, the Churnside and Brown results under R-FTA30932:

  • Support a Berwickshire or nearby Borders root for this whole sub-branch
  • Show how one group of cousins with R-FT4811 spread from the Scottish Borders into both the Caribbean and the American colonies
  • Provide an independent lowland Scots route for the wider R-FT4811 tree alongside the Glasgow surname branch

Working model of the shared R-FT4811 ancestor

Based on current data, the project uses the following simple working model.

  • The man who first carried R-FT4811 lived around 1000 to 1050 CE
  • His family probably lived in or near Chirnside or another parish in Berwickshire, inside the wider Scottish Borders
  • Over the next few centuries, his male-line descendants produced several lines:
    • A line that stayed rooted in the Borders and later appears as Churnside and Brown under R-FTA30932
    • A line that moved west and later appears as the Glasgow surname branch under R-FT32941, R-FT25406 and R-FT20271
    • A line that moved into England and later appears under the Wright surname in Middlesex, still at the R-FT4811 level

This model matches the current Discover tree, the known tester results and the historical geography of the Borders and lowland Scotland. It will change as more men test at Big Y level and as new documentary evidence appears.

Summary table of R-FT4811 connected lines

Ancestor / surname Haplogroup Role in the story Main geography
Unknown North Sea ancestor R-S14827 Early Germanic and Viking-era ancestor on the S20045 branch Scandinavia and North Sea region
Working "lowland Scots progenitor" R-FT4811 Shared ancestor for Glasgow, Wright, Churnside and Brown lines Likely Chirnside or nearby parish in Berwickshire
Glasgow progenitor (surname era) R-FT32941 > R-FT25406 > R-FT20271 Founder of the Glasgow surname line in this cluster Lowland Scotland, later Glasgow and Ulster
William Thomas Wright (1843-) R-FT4811 Example of a non-Glasgow line that branches above R-FT32941 Bethnal Green and Shadwell in Middlesex, with probable earlier roots in northern England or the Borders
Alexander Churnside (1838-abt.1873) R-FTA30932 (under R-FT4811) Links the tree to the Chirnside parish in Berwickshire and to Jamaica Chirnside in Berwickshire by origin, Saint Mary in Jamaica by 19th century
Brown tester in the same cluster R-FTA30932 (under R-FT4811) Colonial American cousin branch with probable Borders origin Colonial Virginia, with likely earlier roots in the Scottish Borders or northern England

This page will grow as more Big Y testers join the project and as documentary work links additional Glasgow, Wright, Churnside, Brown and related lines back into the R-FT4811 tree.

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