It is possible that his descendants and those of his male relatives – if they survive – represent a direct surviving branch of the House of Aberffraw and would therefore be claimants to the long dormant throne of Gwynedd.
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It would also make them rivals to the claims (now extinct) made by John Wynn and the Lords of Gwydyr.
The sons of Dafydd Goch also laid claim to the title, although illegitimately.
Gilfach Goch | Owain Goch ap Gruffydd | Dafydd Iwan | Dafydd ap Gwilym | Rhys Goch Eryri | Llywelyn ap Dafydd | Johannes von Goch | Iolo Goch | Gwladys ferch Dafydd Gam | David Pugh and Dafydd Rogers | Dafydd Williams | Dafydd Wigley | Dafydd Goch | Dafydd Gam | Dafydd Elis-Thomas | Dafydd Davis | Dafydd ab Owain Gwynedd | Dafydd ab Hugh | Dafydd ab Edmwnd |