| Taken by | Tester IN81759 | |
| Vendor | FamilyTreeDNA | |
| Test Type | Y-DNA | |
| Most distant ancestor | Stewart, Archibald Tacksman | |
| Number of STR Markers | 700 | |
| Y-DNA Haplogroup | R-M269 | |
| Significant SNPs | R-DF41>S775>S310(L746)>FGC34909>Z38845>ZZ52. | |
| Terminal SNP | R-ZZ52_1 | |
| Ancestral surnames | Stewart | |
| Relevant links | ||
| Notes | Issue of Sir John Stewart of Blackhall & Ardgowan. |
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| Linked to | Stewart, Charles, b. 1683, Scotland d. 2 Apr 1765, Campbeltown, Campbeltown parish, Argyll, Scotland ![]() Stewart, Archibald Tacksman Stewart, Patrick bur. Kilchenzie cemetery, Argyll, Scotland ![]() | |