Johanna was the daughter of unknown parents. The date and place of her birth have not been found.
She died in 1373. The place is not known.
Her husband was sir Thomas I de Berkeley. They were married, but the date and place have not been found. Their only known child was sir Thomas II (1351-1405).
| Event | Date | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|
| Death | 1373 |
|