 After early death of Stanislovas, the office of the Elder of Samogitia was assigned to Piotr Kiszka, not a member of the Kęsgailos family for the first time in more than a century.Stanislovas' last will left about a third of his possessions to the Grand Duke, who then transferred the towns to his wife Bona Sforza.Subsequently the family faded from the public life.