Alan dePercy II Baron De Percy
Alan dePercy II Baron was born in 1069 in North Riding, Yorkshire, England.  He died at the age of 51 in 1120.

 Emma deGant
Emma was born in 1075.  She died at the age of 60 in 1135.

 William dePercy III Baron De Percy
William dePercy III Baron was born in 1092 in North Riding, Yorkshire, England.