Walter De Gaunt
Walter was born about 1079 in Folkingham, Lincoln, England.  He died in 1139.

 Maud De Bretagne
Maud was born about 1098.  Maud is no longer alive.

 Gilbert De Gaunt
Gilbert was born about 1118 in Folkingham, Lincoln, England.  He died in 1156 in Priory, Bridlington, Yorkshire, England.