Margred was born in 1303 in Glyntawe, Breconshire, Cymru, the daughter of unknown parents.
Her husband was Llywelyn ap Rhys. 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 | 1303 |
|