Mary was born about 1420 in Mynsterworth, Gloucestershire, England, the daughter of unknown parents.
Her husband was Thomas de Berkeley. They were married, but the date and place have not been found. They had no known children.
| Event | Date | Details | Source | Multimedia | Notes | ||
|---|---|---|---|---|---|---|---|
| Birth | ABT 1420 |
|
Note 1
Daughter of Richard Guy, Esq.