Sir John III De Bulmer Sir
John III De was born about 1220 in Bulmer, Yorkshire, England.  He died about 1265.

 Katherine Salvayn
Katherine was born about 1225 in Yorkshire, England.  She died after 1268.

 Sir John IV De Bulmer Sir
John IV De was born about 1253 in Bulmer, Yorkshire, England.  He died in Guisborough Priory, Yorkshire, England.