In 1575 he joined the pro-Habsburg camp and together with some other Polish senators he proclaimed Emperor Maximilian II to be the king of Poland, however due to opposition from many other Polish nobles (szlachta) Maximilian lost, and Stephen Báthory was eventually to become the king of Poland.
In 1575, he joined the pro-Habsburg faction and along with some other Polish senators, they declared Emperor Maximilian II as the king of Poland. However, due to opposition from many Polish nobles (szlachta), Maximilian lost, and Stephen Báthory eventually became the king of Poland.