William I of Provence Count of Provence (0950–0993) Parents Constance of Vienne Boso II of Arles Children William II of Provence Ermengarde, Countess of Auvergne Tota of Provence Odile de Nice Constance of Arles Siblings Rotbold I, Count of Provence Rotbold II, Count of Provence Partners Adelaide-Blanche of Anjou Arsinde, Countess of Provence
