SOURCE-17605Research NeededProbable
e.g. Knapton, S. (2014, December 02). Richard III DNA shows British Royal family...
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e.g. Knapton, S. (2014, December 02). Richard III DNA shows British Royal family may not have royal bloodline. Telegraph. www.telegraph.co.uk (Note Elizabeth of York's claim was through Lionel of Antwerp, not John of Gaunt.)