Lord Roger de Colville
Roger was born about 1251 in Bytham, Lincoln, England.  He died in April 1288 in Bytham, Lincolnshire, England.

 Margaret de Braose
Margaret was born in Stinton, Norfolk, England.  She died in 1335.

 Elizabeth Colvill
Elizabeth was born about 1272 in Bytham Castle, Leicestershire, England.