Prince Robert I  The Good Capet DeArtois
Prince Robert I  The Good Capet was born on September 25th, 1216 in Isle, Aube, Champagne-Ardenne, France.¹   He died at the age of 32 on February 8th, 1249 in In Crusade Mansoure, Egypt.¹ 

 Matilde de Brabant
Matilde was born in 1224 in Brabant, Meuse, Lorraine, France.²   She died at the age of 64 on September 29th, 1288 in , , , France.² 

 Blanche D'artois
Blanche was born about 1247 in Arras, Hautes-Pyrenees, Midi-Pyrenees, France.³   She died on May 2nd, 1302 in Paris, Seine-Saint-Denis, Ile-de-France, France, ,.³