Nn was the daughter of unknown parents. The date and place of her birth have not been found.
Her partner was Jean III de Brabant, but they were never married. Their eighteen known children were Johann (?-1371), Willem (?-?), Jan (?-?), Joanna (?-?), Jeanette (?-?), Marie (?-1394), Arnold (?-?), Henri (?-?), Margareta (?-?), Mechtild (?-?), Barbe (?-1354), Nikolaus (?-?), Nikolaus (?-?), Henri (?-?), Jan (?-?), Jan (?-?), Dionysius (?-?) and Katharina (?-?).