Robert III of Bethune
Robert III of was born about 1247.  He died on September 14th, 1322.

 Yolande of Burgundy
Yolande of was born in 1247.  She died at the age of 33 on June 2nd, 1280.

 Robert IV Comte de Bethune
Robert IV Comte de was born about 1065 in Bethune,Artois/Pas-de-Calais,France.  He died in 1128 in Bethune,Artois/Pas-de-Calais,France.¹ 

 Yolande of Flanders
Yolande of was born about 1270 in bethune.  She died in 1313.

 Louis de Nevers Count of Flanders
He died in July 1322.