Jean I the Victorious Duc de Brabant

Jean I the Victorious' father was Henri de Brabant III Duc de Brabant and his mother was Alix de Burgundy.  His paternal grandparents were Henri de Brabant II Duc de Brabant and Marie Hohenstaufen of Swabia. He had a brother and a sister, named Henri de Brabant IV and Marie.  He died in 1294.

‌Jean I the Victorious and Marguerite Capet were married in a religious ceremony on September 5th, 1270.