Question: What nationality is Gwladys's husband?
Sentence (from "Gwladys"): Saint Gwladys ferch Brychan or St Gladys (Latin-Gladusa), daughter of King Brychan of Brycheiniog, was the queen of the saint-king Gwynllyw Milwr and the mother of Cadoc "the Wise", whose "vita" may be the earliest saint's life to mention Arthur.
Relevant evidence: Yes