The Normans divided the area, including those areas which they controlled beyond the River Usk, into the Marcher Lordships of Abergavenny, Caerleon, Monmouth, Striguil (Chepstow) and Usk.
The Normans partitioned their control over areas beyond the River Usk into five distinct Marcher Lordships: Abergavenny, Caerleon, Monmouth, Striguil (Chepstow), and Usk.