396890410. William de Vernon Reviers Earl of Devon was born about 1170. He died on 10 September 1217 at the age of 47. He was buried in Christ Church, Twynham. William De Vernon De REVIERS Mabel de Beaumont Countess of Devon and William de Vernon Reviers Earl of Devon were married.
396890411. Mabel de Beaumont Countess of Devon died after 1 May 1204.