Richard De Clare
Richard was born on August 4th, 1222 in ,,Gloucestershire, England.  He died at the age of 39 on July 15th, 1262 in Ashenfield Manor, Waltham, Kent, England.

 Maud De Burgh
She died on March 10th, 1288.

 Margaret De Clare
Margaret was born in 1286.  She died at the age of 47 in 1333.