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Ancestral Family Tree DNA Testing / Re: DNA testing an artefact.
« on: Wednesday 17 September 25 13:40 BST (UK) »Quote
Difficult to say the oldest sampled DNA in a study seems to have come from a person who died in 1930, but that does not mean older samples would not be viable.
The DNA of the Romanov bodies who died in 1918 was tested in the 1990s to confirm their identities. I believe that Prince Philip, the Duke of Edinburgh supplied a blood sample for DNA for the testing as he was the closest descendant on the maternal line - his grandmother was sister to the Tsarina (and they were both also grand-daughters of Queen Victoria). Apparently they used the mitochondrial DNA to match.
This was initially checked in the 1990s but believe more sophisticated tests were made in the 2000s
Nesta
https://www.independent.co.uk/news/world/world-history/prince-philip-family-russia-murder-b1829742.html