Balthasar was the son of Sigismund von Thun and Anna Ursula von Caldes. The date and place of his birth have not been found.
His wife was Filippa d'Arco, who he married on 23 JUL 1460. The place has not been found. They had no known children.
Balthasar von Thun
Sigismund von Thun (c1392-1467)
Simon von Thun
Anna Ursula von Caldes