| | Morgan ap Llewellyn Lord of St. Clere and Tredegar 1330–1384 | | |
| | Llewellyn ap Ivor Lord of St. Clere …–… Angharad verch Morgan 1304–1334 | | |
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| | Llewellyn Lleia ap Ivor …–… | | |
| | | | | | | | | | | | | | Bledrin (Bleddri) ap Cadifor Fawr (Cadivor Vaur) …–… Clydwen verch Gryfydd …–… | | | | Cadifor Fawr ap Collwyn …–… |
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