Genetic Groups


Abigail Courtney (m Roberts) 1871-1928

As part of the genetic analysis associated with my search for George Courtney, I have attempted to recreate the genome of his daughter Abigail Courtney, my great grandmother.  You can read about that process here.

As I have continued to identify the segments inherited by my family from Abigail, it has been an ongoing challenge to determine whether she inherited each of the segments from her father George Courtney or her mother Abigail Paice.

The overall aim of this exercise is to identify any segments belonging to her mother and to exclude them from my analysis.  In this way, we should be left with the segments inherited from George and each of the triangulated groups should help lead us to his origins.



Defining Triangulated Groups - Paice or Courtney?

This page is an attempt to summarise all the outcomes of each Courtney-Paice triangulated group on one page.  The many relevant groups are slowly being added to the page, along with the common names and/or places associated with each group.  Clicking on the links (TBA) shown in the potential ancestors section will take you to a blogpost with more information about the triangulated group or potential shared ancestor.

You can view my progress on the genome of Abigail Courtney at DNA Painter.  For her most current chromosome map click here. 


Identified 'Courtney' groups by chromosome

  • C01_C_M176: Likely Taylor/Williams, Middlesex, Monnor/Benson (Canada)

  • C03_M_M145: Likely Taylor/Williams, Middlesex 

  • C04_F_M167: Likely Rudd/Webster: Middlesex (bridge matches)
  • C05_E_M023: Likely Rudd/Webster: Middlesex
  • C07_B_M196: Likely Taylor/Williams, Middlesex 
  • C07_C_M147: Likely Rudd/Harrison/Crowe AND Taylor/Williams - Middlesex; Ison/Benstead
  • C08_A_M142: Likely Rudd/Harrison/Crowe, plus Scandinavia?  Tarrant?
  • C09_B_M169: Likely Rudd/Webster and Webster/Kent: Middlesex (bridge matches plus cluster)
  • C09_K_M168: Likely Rudd/Webster: Middlesex
  • C10_A_M175: Likely Taylor/Williams, Middlesex 
  • C16_G_M039: Likely Taylor/Williams, Middlesex  
  • C17_C_M144: Likely Taylor/Williams, Middlesex  
  • C19_A_M202: Likely Taylor/Williams, Middlesex, plus Sweden? 
  • C23_A_M002: Taylor/Williams, Middlesex 
  • C23_O_M136: Rudd/Webster: Middlesex (X chromosome - not yet triangulated)
  • C23_M_M166:Taylor/Williams, Middlesex 

List of unresolved Courtney-Paice Triangulated Groups, by chromosome



AncestryDNA Clusters

  • M005: Goddard/Hazell (Hitchman), currently 6 testers identified includes 3 members with triangulated chromosome data;
  • M169: Rudd/Webster and Webster/Kent: Middlesex, includes 2 Rudd/Webster TG members with chromosome data.

Potential ancestral connections


List of identified Triangulated Groups, probably connected through the family of Abigail Paice.

  • C01_A_M040: Jonathon Paice 1746 
  • C01_D_M162: Abigail Paice 1845
  • C02_I_M172: Harriet Parker 1819
  • C02_T_M171: Sarah Cave 1776 (not triangulated)
  • C07_A_M174: Likely Carpenter
  • C07_K_M170: Sarah Skeats 1737
  • C17_A_M225: Abigail Paice 1845
  • C17_B_M268: Sarah Monk 1786 (not triangulated)
  • C20_A_M186: Harriet Parker 1819
  • C21_C_M139: Jonathon Paice 1746 (+ Silas Cole?)
  • C23_G_M197: Abigail Paice 1845

Abigail Paice (wife of George Courtney) 1845-1928


List of unidentified paternal sides from Visual Phasing process, unclear whether they were inherited from Edward Roberts Baker or Abigail Courtney.

  • C03_ Now resolved
  • C04 _Now resolved
  • C12_ Now resolved
  • C13_ Now resolved
  • C17_ Now resolved
  • C18_ Now resolved
  • C22_

Pedigree of my grandfather EA Roberts




2022:  Addendum
We now believe Edward Roberts b1841 was the step-father of Edward Roberts Baker.  His biological father probably a man named Edmund DYE.  My blogpost 'What is our family name?  Roberts, Baker or Dye' tells the story.



Originally published: 15 November 2021

Last Updated:  3 November 2023

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