| Margred FERCH MAELGWN | |
| B: | Est 1219 |
| D: | 1255 |
| Owen AP MEREDITH | |
| B: | Est 1210 |
| D: | Yes, date unknown |
| Elena (Or Eleanor) FERCH MAELGWN | |
| B: | Est 1220 |
| D: | Yes, date unknown |
| Maredudd OWAIN | |
| B: | Est 1210 |
| D: | 1265 |
| Gwenllian FERCH MAELGWN | |
| D: | 1254 |
| Llywelyn MAELGWN | |
| D: | 1230 |
| Rhys MAELGWN | |
| D: | 1255 |
| Angharad FERCH LLEWELYN | |
| B: | Aft 1204 |
| D: | Yes, date unknown |
| Maelgwn "Fychan" MAELGWN | |
| B: | Est 1180 |
| D: | 1257 |
| Elen Or Helen FERCH LLEWELLYN, Princess Of N.Wales | |
| B: | 1207 |
| D: | Yes, date unknown |
| John, Earl Of Chester THE SCOT | |
| M: | Abt 1221 |
| D: | 1237 |
| David LLEWELLYN, Prince Of Wales | |
| B: | 1208 |
| D: | 1246 |
| Gwladys "Ddu" FERCH LLEWELYN | |
| D: | 1240 |
| Reginald DE BREOSE | |
| B: | Abt 1182 |
| Bramber, Sussex, ENG | |
| M: | 1215 |
| D: | Abt 1228 |
| Bramber, Sussex, ENG | |
| Ralph MORTIMER | |
| M: | Aft 1228 |
| D: | 1246 |
| Llewelyn "Fawr" IOWERTH, Prince Of Wales | |
| B: | Abt 1173 |
| , Anglesey, Wales | |
| D: | 11 Apr 1240 |
| Aberconway, Carnarvon, , WLS | |
| Joan (Joanna) OF ENGLAND | |
| B: | 1191 |
| M: | 1204 |
| D: | 2 Feb 1237 |
| Llyn Eglwystl, , , WLS | |
| Gruffydd AP LLYWELYN AB IORWERTH | |
| B: | 1196 |
| D: | 1244 |
| Senena UNKNOWN | |
| B: | 1201 |
| D: | Yes, date unknown |
| Iowerth "Drwyndwn" AP OWAIN GWYNEDD | |
| B: | Est 1140 |
| D: | Yes, date unknown |
