He was Lord of Ryme, Intrinseca, Dorset and Oburnford, Oulescombe, Teinghervy and Buckerell, co. Devon; m. (1) by 1254, Sibyl Oliver, from whom he divorced between 1287 and 1290; married (2) after 10 August 1300, to Alice. With Alice, Sir Humphrey held the Manor of Silferton, co. Devon, in dower for the term of their lives. He first served overseas 1274 (Henry III), and by military Summons against the Scots (Edward I), as holding 40 pounds in Somerset and Dorset lands. Knight of the Shire in Parliment for Devon 1312, Devon and Dorset 1313 (Edward II).

A post by Douglas Richardson to Gen-Medieval on 3 Nov 2010 indicates that his 2nd wife, Alice, was not the widow of Peter Corbet Jr (died 1300), and that her parentage & previous history are unknown.

Born before Mar 1253 in Ryme Intrinseca, Sherborne, Dorset
ANCESTORS
Son of Robert (Beauchamp) de Beauchamp and Alice (Mohun) Beauchamp
Brother of James Audley [half], Isabel (Beauchamp) de Beauchamp, Robert VI Beauchamp, John (Beauchamp) de Beauchamp, Alice (Beauchamp) Arderne and Mary (Beauchamp) de Massey
Husband of Alice (Corbet) Beauchamp — married [date unknown] [location unknown]
Husband of Sybil (Oliver) Beauchamp — married [date unknown] [location unknown]
DESCENDANTS
Father of Eleanor Beauchamp, John Beauchamp and Hugh (Beauchamp) de Beauchamp