Boris was the son of unknown parents. The date and place of his birth have not been found.
He died on 12 MAY 1394. The place is not known.
His wife was Agrafena Jagiełłonka, who he married in 1354. The place has not been found. They had no known children.
| Event | Date | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|
| Death | 12 MAY 1394 |
|
| Attribute | Date | Description | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|---|
| Nobility Title | prince of Nizhni-Novgorod and Suzdal |