Robert I of Artois
Robert I of was born in September 1216 in Artois, France.  He died at the age of 33 on February 8th, 1250 in Cairo, Egypt.

 Maud of Brabant
Maud of was born about 1218 in Brabant, Flanders.  She died on September 29th, 1288 in France.  She was buried in Chercamp, Artois, France.

 Blanche of Artois
Blanche of was born about 1248 in Artois, France.  She died on May 2nd, 1302 in Paris, France.