Gilbert III De Clare
Gilbert III was born about 1180 in Hertford, England.¹   He died on October 25th, 1230 in Penros, France.¹ 

 Isabel Marshall
Isabel was born on October 9th, 1200 in Pembroke, Wales.¹   She died in Berkhampstead, England.¹ 

 Richard IV De Clare
Richard IV was born on August 4th, 1222 in Mellent, England.¹   He died at the age of 39 on July 15th, 1262 in Ashenfield.¹