Complex sentence: It and also had associations with the Earl of Leicester who, in the early part of the 12th century charged Ralph de Halton to oversee the lands and at the end of that century, the Turville family took over this role.
Split into simpler sentences: It and also had associations with the Earl of Leicester who, in the early part of the 12th century, charged Ralph de Halton to oversee the lands. At the end of that century the Turville family took over this role.