Sir Walter FitzRobert
Walter was born about 1204 in Little Dunmow, Essex, England.  He died before April 10th, 1258.

 Ida Plantagenet Longespee
Ida was born in Salisbury, Wiltshire, England.  She died in 1270.

 Ela FitzWalter
Ela was born in 1250 in Woodham Walter, Malden, Essex, England.