gerald's welsh wife nest ferch rhys (c. 1085 – before 1136) is the female progenitor of the fitzgeralds and fitzmaurices. she was the daughter of rhys ap tewdwr, last king of deheubarth and through her the fitzgeralds and fitzmaurices descend from the welsh rulers of deheubarth claim kinship with the tudors who descended from the same welsh royal line. consequently, the fitzmaurices and fitzgeralds are cousins to the tudors (tewdwrs) through nest and her welsh family.