Portrait of William Edwards (1719-89) architect of the Old Bridge, Pontypridd - on the People's Collection Wales site
"William Edwards (1719-89), was born at Groeswen, near Caerphilly. He was a Congregational minister at Groeswen, but is better-known as the architect of the 'Old Bridge' at Pontypridd........
You can see the administrative areas in which Groes-wen has been placed at times in the past.
Select one to see a link to a map of that particular area.