This $17.50 test for SNP Y14197 is 100% proof that a man descends from King Robert II of Scotland (c1316 - 1390) via his son John Stewart (c1360 - c1448), Sheriff of Bute.
The University of Strathclyde's Bannockburn DNA project may identify the individuals in whom SNPs Y14197 & Y14198 first occurred.
The lineage of Sheriff John's patrilineal descendant, the 7th Marquess of Bute (SNP L21/S145 _ DF13 _ DF41/S524 _ S775 _ L746 _ Z38845 _ Y14197 _ Y14198+) is displayed at http://www.butefamily.com/our-story/the-bute-family-tree/ .
Family Tree DNA's web page for Sir John's descendants is at https://www.familytreedna.com/public/Stewart-Bute .
The FTDNA kit numbers of some of Sheriff John's descendants are displayed at http://www.ytree.net/DisplayTree.php?blockID=456&star=fa-
lse .
The Y-DNA test results of more of Sheriff John's agnatic issue are displayed in group A1e at https://www.familytreedna.com/public/Stuart/default.aspx?sec-
tion=ycolorized .
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