William De Beauchamp
William was born in 1187 in Essex, England.

 Ida De Longespée
Ida was born about 1212 in Salisbury, Wiltshire, England.  She died in 1269.

 Beatrice De Beauchamp
Beatrice was born about 1232 in Bedfordshire, England.  She died on September 30th, 1285.