Katherine married Morgan PRYS, son of Robert PRYS of Tyddyn du and Elizabeth FERCH ROBERT, in 1709. (Morgan PRYS was born in Gerddi-bluog, Llanfair-juxta-Harlech, Merioneth, Wales and died in 1745 in Llanfair-juxta-Harlech, Merioneth, Wales.)
Sources
1Pedigrees of Anglesey and Caernarvonshire families, J. E. Griffith, p. 361.