Robert De Brus
Robert is no longer alive.

 Emma Berengar Of Brittany
Emma was born about 1000 in Brittany,France.

 Sherriff Roger De Pitres
Roger was born in 1030.¹   He died at the age of 56 in 1086.¹ 

 Sir William De Braiose
William was born in 1040 in Brienze,Normandy.¹   He died at the age of 49 in 1089 in Bramber,Sussex,England.¹