Hughes of Gwerclas were a native Welsh royal family descended from prince Owain Brogyntyn the illegitimate but acknowledged son of prince Madog ap Maredudd (one of the last kings of Powys, of the House of Mathrafal) by a daughter of the "Maer du" or "black mayor" of Rûg in Edernion.
[2] Over a century later it is Thomas Hughes, the "Esquire of Gwerclas and Hendreforfydd" who is recorded as having served as a captain under the Royalist standard for Charles I and died in 1670.
He died in 1754 and from this time the Hughes of Gwerclas resided at Pen y Clawdd, thought to be in the vicinity of Chirk in Flintshire.
In the 1851 National Census of England and Wales he, along with his wife, children, and domestic servants are recorded as living in Twyford, Hampshire.
[citation needed] "Few families can establish a loftier lineage, or deduce their descent through more numerous stocks of historic distinction, than the Hughes of Gwerclas, Barons of Kymmer yn Edeirnion, within the ancient Principality of Powys and Kingdom of Wales.