Llywelyn was born about 1240 in Tir Ralph, Cantref Mawr, Breconshire, Cymru, the son of unknown parents.
He died in 1359. The place is not known.
His wife was Margred verch Hwyel. They were married, but the date and place have not been found. Their only known child was Efa verch Llewellyn (c1330-?).
| Event | Date | Details | Source | Multimedia | Notes | ||
|---|---|---|---|---|---|---|---|
| Birth | ABT 1240 |
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| Death | 1359 |
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