Gwilym was born about 1422, the son of unknown parents. The place is not known.
His wife was Lucy verch Morgan, who he married in ABT 1438. The place has not been found. They had no known children.
| Event | Date | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|
| Birth | ABT 1422 |
|
Note 1
son of Morgan ap Dafydd and Alice Landon