He had a relationship with Agnes of France Capet, Duchess consort of Burgundy.
Child(ren):
Record for Agnes..of France Capet, Duchess consort of Burgundy/ Ancestry.com
http://trees.ancestry.com/pt/AMTCitationRedir.aspx?tid=0&pid=823
birth date: 1248 birth place: OF, , Bourgogne, France Name: Robert de Bourgogne marriage date: 1279 marriage place: France, Lot-et-Garonne, Aquitaine, France death date: 21 Mar 1306 death place: Vernon sur, France/ Ancestry.com
burial place: Saint-Nicolas-les-Citeaux, Departement de la Côte-d'Or, Bourgogne, France death date: 21 Mar 1306 death place: Vernon sur, France birth date: 1248 birth place: Dijon, Cote d'Or, Bourgogne, France Name: Robert II Duke BURGUNDY/ Ancestry.com
Name: Robert II Duke BURGUNDY burial place: Saint-Nicolas-les-Citeaux, Departement de la Côte-d'Or, Bourgogne, France birth date: 1248 birth place: Dijon, Cote d'Or, Bourgogne, France death date: 21 Mar 1306 death place: Vernon sur, France/ Ancestry.com