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Group 1 Analysis
Descendants of Aaron Stark [1608-1685]
Report 1 Report 1a Report 2
Persons to Contact

Administrator: Sheila Schmutz


Co-administrator: Clovis LaFleur 


Webmaster: Clovis LaFleur <> Click HERE to see Disclaimer Last Update: March 02, 2015
Report 1a Introduction

The combination of genealogical research and genetic testing has identified those members reported in Report 1 who share Aaron Stark [1608-1685] of Connecticut as a common ancestor. This publication, added to the Aaron Stark Family Chronicles website will examine the genealogy and Y Chromosome results of those members in Group 1a & 1b who have 37 and 67 marker results and excellent genealogy. Click HERE if you would like to download printable PDF File of Report 1a

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Y-DNA Genetic Evaluation of the Descendants Aaron Stark [1608-1685]
Report 1a- Genetic-Genealogy Report

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Discussion Table 5 TMRCA Calculations

This Chart plots the TMRCA Probabilities calculated in Table 5 in the Y-axis; against the generations in the X-axis. The Black curve is the result of Comparing two participants from our population that are a perfect match to the ASMH (A1a was compared to B3b). Any participants in our population who match the ASMH when compared to each other will plot the same points on the chart. The BLUE Area is the result of Plotting the Minimum and maximum Probabilities observed in our population that have a genetic distance of 1 relative to the ASMH. Each members TMRCA was calculated and presented in Table 5; each compared to A1a. The minimum plot was a comparison of A1a to A1e; while the maximum plot was a comparison of A1a to A3a.. The probabilities have small differences in value due to the mutations relative to ASMH having occurred at different DYS markers. Similarly, The GREEN area is the minimum and maximum of our population having a Genetic Distance of 2 when compared to the ASMH. The minimum plot is a comparison of A1a to B2b; while the maximum plot is a comparison of A1a to B2a. As for Genetic Distances of 1, those having genetic distances of 2 will differ due to mutations at different DYS Markers. Observe the Area has increased for GD=2 relative to the area for GD=1. This would be an expected result. As genetic distances increase, the areas created by the minimum and maximum should increase. The DARK RED curve is the result of comparing A1n to A1a; this representing the plot of one participant having a genetic distance of 3 relative to the ASMH. In our population, A1n is the only participant having a genetic distance of 3.


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The project administrator and webmaster is yours truly, Clovis LaFleur.  I am a volunteer and receive no financial remuneration of any kind from Family Tree DNA, nor am I one of their "web affiliates" (i.e., I don't profit from "click throughs").  I'm retired and genealogy is my hobby and is not my business. As a Project Administrator and webmaster I am not responsible for the genealogy material provided by members nor am I responsible for the Test Results publicly reported by FTDNA. The analysis of results prepared and presented by me on this web site are based on my interpretation of the Y-DNA results published and the genealogy provided by the project members. Discussion of my analysis with members and others will always be welcome.