William FitzRalph , Lord of Grimthorpe
William was born about 1225 in Grimthorpe, Pocklington, East Ride Yorkshire, England.  He died after July 1269 in Hildreskelf, Yorkshire, England.

 Joan de Greystoke
Joan de was born about 1225 in Greystoke, Cumberland, England.  She died after July 1269.

 Ralph FitzWilliam 1st Baron de Greystoke , Sir
Ralph FitzWilliam 1st Baron de was born about 1243 in Grimthorpe, Pocklington, East Ride Yorkshire, England.  He died in Greystoke, Cumberland, England.  He was buried in Neasham Priory, Durham, England.