Person · 1200 CE – 1244 CEGruffudd ap Llywelyn ab IorwerthAlso known asGruffudd ap Llywelyn ap IorwerthGruffudd ap Llywelyn FawrGruffudd ap Llywelyn FawrGruffudd ap Llywelyn FawrGruffydd ap Llywelyn FawrGruffydd ap Llywelyn Fawrarchival plate · Gruffudd ap Llywelyn ab Iorwerth · placeholderThis entry is a stub. The Library is awakening — a longer account is being written.Connected tosibling · sibling ofDafydd ap Llywelyn1215 CE+ 12 further connections to entries not yet ingested