Heinrich was the son of Botho II von Boimneburg and Adelheid von Hohenstein. The date and place of his birth have not been found.
He died after 1303. The place is not known.
His wife is not known. They were married, but the date and place have not been found. Their only known child was Heinrich IV (?-c1368).
| Event | Date | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|
| Death | AFT 1303 |
|