Family: ap Owain Gwynedd, Iorwerth / verch Madog, Margred (F9795)
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Male
ap Owain Gwynedd, Iorwerth
Birth 1164 Aberffraw Castle, Aberffraw, Anglesey, Wales 
Death 18 Apr 1240 Aberconwy Abbey, Conwy, Caernarvonshire, Wales Burial Marriage Father ap Gruffydd, Owain | F9799 Group Sheet Mother
Female
verch Madog, Margred
Birth 1129 Overton, Lancashire, England Death 1198 Somme, Picardie, France Burial Father ap Maredudd, Madog | F9796 Group Sheet Mother
Male
ap Iorwerth, Prince Llewelyn
Birth 1173 Aberffraw Castle, Aberffraw, Anglesey, Wales Death 18 Apr 1240 Aberconwy Abbey, Conwy, Caernarvonshire, Wales Burial Aft 18 Apr 1240 Aberconwy Abbey, Conwy, Caernarvonshire, Wales Spouse Plantagenet, Princess Joan | F9366 Marriage 23 Apr 1205 England