Gherhardo was the son of Marco di Martinengo and Caterina Benzoni. The date and place of his birth have not been found.
He died after 04 DEC 1478. The place is not known.
His wife was Orsina Colleoni, who he married in MAR 1451. The place has not been found. Their only known child was Barbara (c1454-1493).
| Event | Date | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|
| Death | AFT 4 DEC 1478 |
|
| Attribute | Date | Description | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|---|
| Nobility Title | conde di Martinengo |