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CALVERT Family History

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Anthony Barrett

(Part 1 of 3) The Calvert name has a long history in the British Isles, but now DNA and some recorded history says its origin is from the north-west region of the Emerald Island. The Calvert story [dominated by DNA tribal marker R1b-L513, Subgroup C2] can trace their beginnings to the Finn Valley in Donegal, Ireland from 50 BCE. Perhaps the journey begins with the Clanna Dedad; Deda, son of Sen or Deda Mac Sin. The Calvert surname origin is possibly from the Dáirine [R1b-L513] who found the Kingdom of Brycheiniog, Wales around 300 CE.

Anthony Barrett

(Part 2 of 3) According to research, the Kingdom of Brycheiniog will take part in an invasion of Brittany, France around 500 CE. But how could this be? Recent discoveries from DNA testing are unlocking the migration patterns of Celtic tribes as late as 800 CE to 1200 CE. The Calvert story begins in pre-history Ireland but this descendant will then move to Wales where the family can be traced back to their Welsh tribe Cydifor Fawr. This line and many of his kin will then travel to Brittany, France during the Dark Ages.

Anthony Barrett

(Part 3 of 3) Discover their newly found untold story and how forgotten texts bring their story back to life. From the ebook, “The Tribe Within” learn how DNA unfolds this amazing tale and if you look in the right places, how history narrates this evidence. There is another written account of their story, but it is camouflaged in smoke and myth – it will become the tales of King Arthur. Come follow in the footsteps of Deda Mac Sin and visit

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