William De Mortainge Earl Of Cornwall
William De Mortainge Earl Of was born in 1068 in Cornwall, England.¹   He died at the age of 72 in 1140.¹ 

 Isabel Fitz Richard De Clare
Isabel Fitz Richard was born in 1098.¹ 

 Beatrice Fitzrichards
Beatrice was born about 1116 in Of, Cornwall, England.¹