Roger 'The Poitevin'  MONTGOMERY
Roger 'The Poitevin'  was born about 1058 in marche, Poitou, France.  He died after 1102.

 Almodis of la MARCHE
Almodis of la is no longer alive.

 Avice de LANCASTER
Avice de was born about 1088 in Nottingham, Notinghamshire, England.  She died after 1149.