Complex sentence: The House of Wessex, also known as the "House of Cerdic", refers to the family that initially ruled a kingdom in southwest England known as Wessex, from the 6th century under Cerdic of Wessex until the unification of the Kingdoms of England.
Split into simpler sentences: The House of Wessex, also known as the "House of Cerdic", refers to the family that ruled a kingdom in southwest England known as Wessex. This House was in power from the 6th century under Cerdic of Wessex to the unification of the Kingdoms of England.