John WATKINS (b.1840) married Ann JONES (b.1840) at Drybrook in 1860 and Ann's father was listed as Samuel JONES.
Link to: http://members.iinet.net.au/~davwat/dwfh/ged/INDI/I1564.html

This census looks like it would be Samuel with his family including Ann

1851 East Dean
28
JONES Samuel 50 Quarryman East Dean
Elizabeth 40 East Dean
Ann 10 Scholar East Dean
Frederick 8 Scholar East Dean
Thomas 5 Scholar East Dean
Elizabeth 2 East Dean