Earl Robert deMortaigne
Robert was born in 1040 in Normandy, France.  He died at the age of 50 on December 8th, 1090 in France.

 Matilda deMontgomery
Matilda was born in 1040 in Montaigne, Sud-Mnch, France.  She died at the age of 45 in 1085.

 Richard deMortaigne
Richard was born in 1058 in Normandy, france.

 William deMortaigne Earl of Cornwall
William deMortaigne Earl of was born in 1058 in Cornwall, England.  He died at the age of 82 in 1140.

 Agnes deMortaigne
Agnes was born in 1060 in Montaigne, Sud-Mnch, France.