Question: Who is the paternal grandfather of Alys Ferch Owain Glyndŵr?
Sentence (from "Alys ferch Owain Glyndŵr"): Alys ferch Owain Glyndŵr was one of the daughters of Margaret Hanmer and Owain Glyndŵr, the disinherited prince of the old Welsh royal house of Powys Fadog, who led a major revolt in Wales between 1400 and ca. 1416 against King Henry IV of England.
Relevant evidence: Yes