(Research) KINSHIP: Investigate> Bartrum's 'Welsh Genealogies 300-1400' volume 10 page 781 does not state to which wife he belongs. Placed with 1st wife until further research proves otherwise.
(Research) KINSHIP: Conflict/Error> Evans' 'British Genealogist' book 8 page H75 calls him Rhys ap Maredudd ap Yr Arglwydd Rhys, but his is the son of Maredudd ab Owain ap Gruffudd ap Yr Arglwydd Rhys.