Herbert de Flinton , Sir Knight
Herbert de was born about 1246 in Flinton, Yorkshire, England.  Herbert de is no longer alive.

 Cecilia de la Lynde
Cecilia de was born about 1250 in Bolebrook, Sussex, England.  She died before 1316.

 Margaret Flinton
Margaret was born about 1278 in Flinton, Yorkshire, England.