The St. Clair engrailed cross, the Auchinleck Manuscript and our full history take on far greater meaning thanks to DNA testing

The First Comprehensive St. Clair / Sinclair DNA Report


Welcome to the St. Clair Sinclair DNA Project
DNA-strandOver the coming months, you'll see new pages here with the latest updates. Click here for an overview welcoming message. Click links to left to see the full report on our family study.
Are we cousins of William the 'Conqueror?'
William_The_Conqueror_SinclairThe story goes that we, like Duke William, descend from Richard II. But if it's true, which of our lineages relate? Because they all cannot possibly relate. The truth of our history is, once again, far more complex.  Click Here >>
Sinclairs Living in Caribbean Luxury? Not Likely.
Caribbean Sinclairs The Sinclairs I've found in these parts were merchants, not planters, and life in these islands doesn't even resemble the movie "Pirates of the Caribbean." But it's fun to imagine.  Click Here >>
Part of the Germanic Tribes of Northern Europe
germanic-tribesSeveral of our family lineages spent over 8,000 years in Northern Europe. There, we became part of the fluid social structure I call the "Germanic Soup." Click Here >>
The Bottleneck of Britain and Your Lineage 
England bottleneckOver the centuries, many different haplotypes converged on Britain. They stayed together as tribes, until they became more loyal to commerce. Then they became difficult to track.  Click Here >>
The Descendants of Alexander Sinkler of Virginia
tobaccoThis lineage shows a distinctive marker set in their DNA results. They were among a group called the Atlantic Modal Haplogroup in Northwestern Europe. What does it mean for you?   Click Here >>

A Brief Overview