William III of Baux
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William III of Baux (died 1257) was a son of William II of Baux and grandson of William I of Baux. Following his father and grandfather, William III carried the title of prince of Orange. The title had come to the House of Baux through a brother, Raimbaut of Orange,[1] of William III's paternal great-grandmother, Tiburge de Sarenom, the latter also referred to as Tiburge princess of Orange.
