Alistair Moffat, managing director of BritainsDNA, which is based in Melrose in the Scottish Borders explained the thinking behind the research.
What we're trying to do is look at Britain and the whole national genome, but everybody is interested in royal DNA.Royal lineages have been of public interest for centuries. We simply came across this and followed it up. It's a very positive story."
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Mainly dry and bright Sunday, some sunshine but cold
Frosty, icy start on Sunday with fog patches lingering in places. Away from the fog, some good wintry sunshine