Nicolas Sire D'avesnes … was born in 1099 and died in 1170 at the age of 71. He married Mahaut De Laroche … before 1150. She was born in 1107 and died in 1155 at the age of 48.

Jacques D'avesnes Conde Et De Lueuze …, son of Nicolas Sire D'avesnes … and Mahaut De Laroche …, was born in 1150 and died on September 7, 1191 in Arsoeuf, Palestine at the age of 41. He married Ameline De Guise …, daughter of Bernhard De Guise “Bouchard” and Alix …, in 1180. She was born in 1139 and died in 1185 at the age of 46.

Bouchard D'avesnes …, son of Jacques D'avesnes Conde Et De Lueuze … and Ameline De Guise …, was born after 1180 and died on September 7, 1244 in Estroeungt. He married Margarethe Countess Of Flanders & Hainault …, daughter of Baudouin VI Count Of Flanders … and Marie De Champagne …, on July 23, 1212. She was born about 1198 and died on February 10, 1279. Bouchard D'avesnes … and Margarethe Countess Of Flanders & Hainault … were divorced.