William de Beauchamp was a notable English nobleman during the 13th century. He served as the Lord of the Manor of Elmley Castle and was a prominent figure in the Wars of the Roses. His lineage can be traced back to the influential Beauchamp family, which played a significant role in English history. De Beauchamp was known for his military service and loyalty to the Crown. He participated in various campaigns and held several important positions, including that of a knight. His contributions to the feudal system helped shape the political landscape of medieval England.