| | Jevan ap Llewellyn ap Morgan Lord of St. Clere and Tredegar 1415–1448 Elizabeth ap Llewellyn …–… | | |
| | Llewellyn ap Morgan 1366–1410 | | |
| | Philip Morgan of Langstone …–… | | |
| | Morgan ap Llewellyn Lord of St. Clere and Tredegar 1330–1384 | | |
| | Llewellyn ap Ivor Lord of St. Clere …–… Angharad verch Morgan 1304–1334 | | |
| | | | | | Llewellyn Lleia ap Ivor …–… | | |
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