Einion ap Gruffudd Welsh lord active in Ardudwy, Merionethshire - Aft 12 Oct 1380 Parents Gruffudd ap Llywelyn ap Cynwrig Children Gruffudd ab Einion ap Gwyddelwern ap Gruffyd Siblings Angharad ferch Gruffudd ap Llywelyn ap Cynwrig ab Osbwrn Wyddel of Cors y Gedol