Bernart was the son of Hyneček z Vrbna and Žofie Bírková z Násilé. The date and place of his birth have not been found.
Bernart z Vrbna
Hyneček z Vrbna (-1445)
Štěpán z Vrbna (-c1372)
Žofie Bírková z Násilé (->1451)