Back Mary Grey German María Grey Spanish Mary Grey Finnish Marie Grey French Mary Grey Italian Mary Grey Dutch Lady Mary Grey NB Maria Grey Portuguese Грей, Мария Russian Lady Mary Grey SIMPLE
| Lady Mary Keyes | |
|---|---|
 | |
| Born | 20 April 1545 |
| Died | 20 April 1578 (aged 33) |
| Spouse | Thomas Keyes |
| Father | Henry Grey, 1st Duke of Suffolk |
| Mother | Lady Frances Brandon |
Lady Mary Keyes (née Grey; 20 April 1545[1] – 20 April 1578) was the youngest daughter of Henry Grey, 1st Duke of Suffolk, and Frances Brandon, and through her mother had a claim on the crown of England.