Background
He was grandson of Petras Mantigirdaitis.
He was grandson of Petras Mantigirdaitis.
He first appeared in written sources in 1476 and held the following offices:
Starosta of Braslaw (1476-1482) and Lutsk (1486-1489)
Marshal of Grand Duke (1480-1482) and Volhynia (1487-1489)
Voivode of Trakai (1490-1497)
Grand Marshal of Lithuania (1491-1497)
The Bychowiec Chronicle names him as a Great Hetman who recommended Konstantin Ostrogski, the first official Great Hetman, after his death. Therefore, it is likely that at some point Mantigirdaitis was the commander of the Lithuanian army. Mantigirdaitis played an important role in the coronation of Alexander Jagiellon in 1492.
Chronicler Marcin Bielski described that Alexander was crowned and blessed as the new Grand Duke of Lithuania by the Bishop of Vilnius.
Then Mantigirdaitis presented Alexander with a naked sword and a reminder that Alexander was elected to be a just ruler. Mantigirdaitis was married twice.
Their son Jonas died in the Battle of Vedrosha ending the family line. Their daughter Sophia married Stanisław Kiszka, who inherited the family"s substantial wealth.
Mantigirdaitis" second wife was Anna, daughter of Alexander Olshanski.
They had no children.