Iwan was the son of unknown parents. The date and place of his birth have not been found.
He died on 08 AUG 1145. The place is not known.
His wife was Laurette de Lorraine, who he married on 22 SEP 1139. The place has not been found. They had no known children.
| Event | Date | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|
| Death | 8 AUG 1145 |
|
| Attribute | Date | Description | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|---|
| Nobility Title | comte d'Alost |