Roger Sir De Montgomery
Roger Sir was born in 1058 in St Germain DeMontgomery, Calvados, Basse-Normandie, France.¹   He died at the age of 73 on May 8th, 1131 in Lancaster, Lancashire, England.¹ 

 Almodis Audmodis De Montgomery
Almodis Audmodis was born in 1062 in Marche, Creuse, Limousin, France.¹   She died at the age of 58 in 1120.¹ 

 Lady Avice (Countess Nottingham) De Lancaster
Lady Avice (Countess Nottingham) was born in 1088 in Nottinghamshire, England.¹   She died at the age of 61 in 1149 in Nottinghamshire, England.¹