Richard de Burgh
Richard was born about 1205.  Richard is no longer alive.

 Egidia de Lacy
Egidia was born about 1207.  Egidia is no longer alive.

 Walter de Burgh
Walter was born in 1230 in Galway Castle, Connaught, Ireland.  He died at the age of 41 on July 28th, 1271 in Galway Castle, Connaught, Ireland.