In 1304 he was Archdeacon of Sandomierz From 1305-1307 studied, Canon law at the University in Bologna, Italy which was a centre of legal scholarship. In 1318 he returned to Poland and was appointed by the Chancellor of St. Mary's Church, and Dean of the chapter of Kraków. As Bishop of Krakow he set out the diocesan statutes, and initiated the construction of the Gothic Cathedral on the Wawel Hill. In 1337 he excommunicated King John of Luxembourg and became an ardent supporter of Papal policy.
- Tadeusz Silnicki: Biskup Nankier. wyd. Warszawa, 1953.
| Bishop of Kraków
Nikolaus of Banz (administrator)
| Bishop of Wrocław
Przecław of Pogorzela
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