Alexander was the son of unknown parents. The date and place of his birth have not been found.
He died before 1269. The place is not known.
His wife was Adelheid von Westheim. They were married, but the date and place have not been found. Their only known child was Elisabeth (c1242-?).
| Event | Date | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|
| Death | BEF 1269 |
|