Robert de Mortaigne
Robert was born in 1034 in Conteville, Eure, Normandy, France.¹   He died at the age of 56 on December 8th, 1090 in Mortagne, Artois, Pas-de-Calais, France.  He was buried in Abbaye De Grestain.¹ 

 Maud de Montgomery
Maud was born in 1042 in St. Germain, Montgomery, Normandy, France.¹   She died at the age of 65 in 1107.  She was buried in Grestain Abbey.² 

 Richard de Mortagne
Richard was born in 1058 in Mortagne, Artois, Pas-de-Calais, France.³ 

 Emma of Mortain
Emma was born in 1058 in Mortagne au Perche, Orne, Basse-Normandie, France.⁴   She died at the age of 22 in 1080 in Toulouse, Jura, Franche-Comte, France.⁴ 

 Agnes de Mortaigne
Agnes was born in 1060 in Mortagne, Artois, Pas-de-Calais, France.³ 

 Denise de Mortagne
Denise was born in 1062 in Mortagne, Artois, Pas-de-Calais, France.⁵ 

 Earl of Cornwall Guillaume de Mortagne
Guillaume was born in 1064 in Mortagne, Artois, Pas-de-Calais, France.⁶   He died at the age of 76 in 1140 in Cornwall, England.⁷ 

 Muriel de Mortagne
Muriel was born in 1066 in Mortagne, Artois, Pas-de-Calais, France.³ 

 Sybilla de Mortagne
Sybilla was born in 1068 in Mortagne, Artois, Pas-de-Calais, France.³