William III of Baux (died 1257) was a son of William II of Baux. Following his father and grandfather, William III carried the title of

prince of Orange Prince of Orange (or Princess of Orange if the holder is female) is a title originally associated with the sovereign Principality of Orange, in what is now southern France and subsequently held by sovereigns in the Netherlands. The title ...

. The title had come to the House of Baux through a brother, Raimbaut of Orange, of William III's paternal great-grandmother, Tiburge de Sarenom, the latter also referred to as Tiburge princess of Orange.

References

1257 deaths House of Baux Princes of Orange Year of birth unknown {{France-noble-stub