William De Burgh
William was born in 1170 in Ireland.  He died at the age of 35 in 1205 in Ireland.

 Mor O'Brien
Mor was born about 1180 in Ireland.  She died in 1218.

 Richard De Burgh
Richard was born about 1200 in Connaught, Ireland.  He died on February 17th, 1243.

 Walter De Burgh
Walter was born about 1203.