According to Bartrum, his mother is either Gwanas f. Tos. ap Robinod, Cwnstabl Castell Llansteffan, or NN f. Sir Robert de Valle of Trefgarn Owain Bartrum's cites: died 1343: PSW pp. 238, 249; Arglwyd Is Coed: RP p. 9 born about 1299: S 45
"South Wales" as a part of Wales in the United Kingdom is a general area made up of a number of counties. It is not recognized as a place in WeRelate.