YSEQ's $17.50 test for SNP S310 (a.k.a R-L746) is 100% proof of whether or not a man is a patrilineal descendant of the first High Steward of Scotland (R-P312/S116 _ L21/S145 _ DF13 _ Z39589 _ DF41/S524 _ S775 _ L746.

A phylogenetic tree that shows some of his Big Y tested descendants is at http://www.ytree.net/DisplayTree.php?blockID=86 .

Family Tree DNA's web page for his descendants is at https://www.familytreedna.com/public/Stuart .

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YSEQ's $17.50 test for SNP S781 (R1b1a2a1a2c1i1a1) is 100% proof of whether or not a man descends from Sir John Stewart of Bonkyll (died 22 July 1298 at the Battle of Falkirk).

Web pages for his descendants are at https://www.familytreedna.com/groups/r-s781/about/background , http://www.s781.org/allsnps.html and https://www.yfull.com/groups/r-s781/ .

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YSEQ's $17.50 test for SNP Y14197 is 100% proof of whether or not a man descends from King Robert II of Scotland (c1316 - 1390) via his son John Stewart (c1360 - c1448), Sheriff of Bute. See https://www.familytreedna.com/public/Stewart-Bute .

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YSEQ can not create a test for ZZ52, a SNP that was discovered via Big Y tests and that is associated with descendants of Sir JOHN STEWART, BARON of AUCHINGOUN & BLACKHALL (died ~1412), son of King ROBERT III according to Bannockburn project researchers at STRATHCLYDE UNIVERSITY in Glasgow.

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See http://www.strath.ac.uk/cll/cpd/genealogicalstudies/bannockburn/ , http://www.strathgenealogy.org.uk/projects/bannockburn-genetic-genealogy-project/ and https://en.wikipedia.org/wiki/Battle_of_Bannockburn.

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