 They had two or three children, Hannah (1793) Anne (1794) and Watkin (1795).Watkin George died on 10 August 1822 and is buried at St Cadoc's Church, Trevethin.Pont-y-Cafnau and Melingriffith Water Pump both survive and are scheduled monuments (Pont-y-Cafnau is also a Grade II* listed building).