Sumner was the daughter of unknown parents. The date and place of her birth have not been found.
She died in 1945. The place is not known.
Her husband was Vladimir Cyrilovitch Romanov, who she married in 1934. The place has not been found. They had no known children.
| Event | Date | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|
| Death | 1945 |
|