One daughter, Catrin, married Edmund Mortimer, son of the Earl of March and brother-in-law of the famous Harry Hotspur, who had been taken prisoner at the battle of Bryn Glas in 1402; when forbidden by the King to exercise his right to ransom himself, Sir Edmund allied himself with Glyndŵr. Another daughter,
Catrin, one of the daughters, married Edmund Mortimer, son of the Earl of March and brother-in-law to Harry Hotspur, who was taken prisoner at the battle of Bryn Glas in 1402; when King forbade him from redeeming himself, Sir Edmund joined forces with Glyndŵr. Another daughter,