Complex sentence: Welsh Bicknor (Welsh: "Llangystennin Garth Brenni") is an area of Herefordshire known as a detached parish (exclave) of the traditional county of Monmouthshire.
Split into simpler sentences: Welsh Bicknor (Welsh: "Llangystennin Garth Brenni") is an area of Herefordshire. It was historically a detached parish (exclave) of the traditional county of Monmouthshire.