High Quality Content by WIKIPEDIA articles! Abelard of Hauteville (c. 1044 – 1081) was the eldest son of Humphrey, count of Apulia and Calabria (1051–1057), and his Lombard wife, Gaitelgrima of Salerno, also known as Altrude. He was supposed to inherit his father`s lands, but Robert Guiscard, his uncle and guardian, who was elected count on Humphrey`s death, confiscated them.