Gerald de Windsor

Gerald de Windsor (c. 1075 - 1135), or Gerald FitzWalter of Windsor, was the first castellan of Pembroke Castle in Dyfed in the late 11th and early 12th centuries, and the Norman chieftain in charge of the Norman forces in southwest Wales. He was the progenitor and eponymous ancestor of the FitzGerald and de Barry dynasties of Ireland, who were elevated to the ranks of peers of Ireland in the 14th century.