- Marriage (1): William ap Edward of Cynlas about 1671
- Died: 1676, Wales
Source: Merion in the Welsh Tract by Thomas Allen Glenn, (Reprint of the 1896 edition, 1970, Baltimore) :
"William ap Edward, son of Edward ap John, of Cynlas,... married first, about 1671, Katherine, daughter of Robert ap Hugh, of Llwyndedwydd, near Bala, Merionethshire, and sister to Hugh Roberts (i.e., Hugh ap Robert, or Hugh, the son of Robert), who also removed to Pennsylvania and became a member of the Provincial Council... The wife of Robert ap Hugh (alias Robert Pugh) was Elizabeth, daughter of William Owen, of Llanvawr Parish, Penllyn. Katherine died in Wales, 1676..."
Katherine married William ap Edward of Cynlas, son of Edward ap John of Cynlas and Unknown, about 1671.