Geoffrey I Mortagne
Geoffrey I was born in 1015 in Mortagne Au, Orne, Basse-Normandie, France.¹   He died at the age of 16 on December 15th, 1031 in Domfront, , Normandy, France.¹ 

 Elensie Countess of Mortagne
Elensie Countess of was born in 1017 in , , , France.²   She died at the age of 6 on April 4th, 1023 in Y, Somme, Picardie, France.² 

 Routrou I Chateaudum
Routrou I was born in 1014 in Eure Et Loir, Beauce, Centre, France.²   He died at the age of 35 in 1049 in Eure Et Loire, Beauce, Centre, France.²