Juan was the son of unknown parents. The date and place of his birth have not been found.
He died in 1396. The place is not known.
His wife was Beatriz de Castilla, who he married in 1371. The place has not been found. They had no known children.
| Event | Date | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|
| Death | 1396 |
|
| Attribute | Date | Description | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|---|
| Nobility Title | conde de Niebla |