Complex sentence: Hugh de Puiset (c.1125-1195), bishop of Durham, was the nephew of Stephen and Henry of Blois; the latter brought him to England and made him an archdeacon of the see of Winchester.
Split into simpler sentences: Hugh de Puiset (c.1125-1195) was a medieval bishop of Durham. He was the nephew of Stephen and Henry of Blois; the latter brought him to England and made him an archdeacon of the see of Winchester.