Found the apparent "source" for Tancoyst, which also seems to have been the sour...

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Found the apparent "source" for Tancoyst, which also seems to have been the source for Ovie as his father - an online tree's entry for Tancoyst, born 794, daughter of Ovie/wife of Bledri, born 790, with a note "Reviewed on FS" (accessed 31 December 2023).

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