Gronwy was the son of unknown parents. The date and place of his birth have not been found.
He died before 1399. The place is not known.
His wife was Gwen verch Gruffudd. They were married, but the date and place have not been found. They had no known children.
| Event | Date | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|
| Death | BEF 1399 |
|
Note 1
son of Hywel y Gadair ap GRUFFUDD (? - 1380+) & Mali verch GRONWY LLWYD