Henry I, Count of Vianden French noble (1190–1252) Parents Mechtild von der Neuerburg Frederick III of Vianden Children Henry I van Vianden Matilda of of Požega Friedrich von Vianden Yolanda of Vianden Philip I of Vianden Siblings Frédéric Ier de Neuerburg Gerhard von Vianden Siegfried II of Vianden Matilda of Vianden Partners Margaret, Marchioness of Namur
