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Just what is Richard III’s DNA telling us….?

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The following link arrived in my box this morning.…/Richard_III_The_Livingstons_…/4764886 I quote:

“18.03.2017, 07:26 by John Smith

“A skeleton excavated at the presumed site of the Grey Friars friary in Leicester in 2012 is almost certainly that of the English king, Richard III (1452 -1485), and mtDNA (which is passed from mother to child) extracted from the skeleton matches mtDNA taken from descendants of Richard’s sister Anne of York. However Y-DNA (which is passed from father to son) extracted from the skeleton apparently doesn’t match Y-DNA taken from descendants of Henry Somerset the 5th Duke Of Beaufort, who according to history descended from Richard’s 2nd great grandfather Edward III (1312 – 1377).

“The implication according to geneticists, and the media, is that there is a ‘false paternity event’ somewhere between Edward and the Somersets. Also, the false paternity events don’t end there, for only 4 of these 5 Somerset descendants match each other. And it may be worse even than this: the patrilineal line of a Frenchman named Patrice de Warren apparently traces back to Richard III through the illegitimate son of Edward III’s 4th great grandfather, Geoffrey Plantagenet, Count of Anjou (1113 – 1151).

“But de Warren’s Y-DNA doesn’t match that of either Richard III or any of the Somersets. In this note, a formula for calculating the time of the most recent common ancestor is introduced, and some of its consequences outlined. This formula arises from a mathematical framework within which it is possible that the traditional genealogy is correct, and that Geoffrey Plantagenet was the father of a male line incorporating Richard III, all 5 Somersets, and Patrice de Warren.”

References: Maclea.htm

Me again: The above prompted me to look back at some of the articles that abounded in 2015, when discussion about Richard’s DNA was rife. I selected the following, if only because of the eye-catching family tree:-…/01/03/king-richard-iii-dna/

As the saying goes, the thot plickens. Just who is the father of who…? Our posts here and here may well have answered this.


Three (or four) different Y-chromosomes

Further genealogical research by the University of Leicester has uncovered and tested Patrice de Warren,  descended in the male line from Geoffrey of Anjou, the husband of Matilda, the ancestor of all Plantagenets:

His Y-chromosome neither matches that of Richard III nor that of the Somersets, one of whom differs from his cousins. There are 22 links from Geoffrey to Patrice. There are nine links from Geoffrey to Richard (four down from Edward III) and 23-25 to the Somerset (18-20 down from Edward III). Remembering that all links are equally likely to be broken, we can take the empirical probability as follows:

The Somersets are not descended from Edward III = 19/23
Richard III was not descended from Edward III (in that way) =4/23

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