King Roger de Hauteville II of Sicily
Roger was born in 1095.  He died at the age of 59 in 1154.

 Beatrix de Rethel
Beatrix was born about 1131.  She died on March 30th, 1185.

 Constanza di Sicilie
Constanza was born in 1151.  She died at the age of 47 on November 27th, 1198.

 Constance de Hauteville
Constance was born in 1154.  She died at the age of 44 in 1198.