Welf VI, Margrave of Tuscany margrave of Tuscany and duke of Spoleto (1115-1191) (1115–1191) Parents Wulfhilde of Saxony Henry IX, Duke of Bavaria Children Elisabeth of Tuscany Welf II, Margrave of Tuscany Siblings Mathilde of Bavaria Henry X Sophia of Bavaria Conrad of Bavaria Judith of Bavaria, Duchess of Swabia Wolfhilde of Bavaria Partners Uta of Schauenburg