Bertram de Bulmer
Bertram was born about 1129 in Ferlington, Yorkshire, England.  He died in 1166 in Brancepeth, Yorkshire, England.

 Emma de Fossard
Emma was born before 1130.  She died after 1144.

 William de Bulmer
William was born before 1166.  He died in 1175.

 Emma de Bulmer
Emma was born in Brancepeth, Durham or Ferlington, Yorkshire, England.  She died in 1208.