William III Margrave de Montferrat 
William III Margrave's father was Regnier Margrave de Montferrat and his mother was Gisele of Burgundy. His maternal grandparents were William II The Great Count Of Burgundy and Stephanie De Longwy. He had a half-brother and a half-sister, named Amadeus and Agnes. He died in 1188.1 
‌William III Margrave were married in a religious ceremony in 1154.1
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