Gast was born about 1449, the son of Christoph von Polentz and Elise von Haubitz. The place is not known.
His wife was Dorothea von Karras. They were married, but the date and place have not been found. Their only known child was Georg (1478-1550).
| Event | Date | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|
| Birth | ABT 1449 |
|