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Tangwystl ferch Owain Flamm, Rootsweb entry from the database (link removed 20 J...
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Tangwystl ferch Owain Flamm, Rootsweb entry from the database (link removed 20 June 2023 since Ancestry has deleted the database) for Celtic Royal Genealogy, the Turner-Thomas site, citing Bartrum's chart for Gruffudd ap Cynan.