Simon De+ Stonegrave
Simon De+ was born about 1205 in Stonegrave, Helmsely, Yorkshire, England.  He died after 1257 in Nunnington, Helmsle, Yorkshire, England.

 Beatrice+ Foliot
Beatrice+ was born about 1224 in Gressenhall, Mitford, Norfolk, England.

 John De+ Stonegrave
John De+ was born about 1256 in Bedfordshire, England.  He died in 1295.