Jan Grot
Former bishop of Krakow / From Wikipedia, the free encyclopedia
Jan Grot (Grotowic) was bishop of Kraków from 1326 to 1347. Initially, he was a fierce opponent of King Casimir the Great, whom he excommunicated in 1334.[1] However, they reconciled in 1343.[citation needed]
![Thumb image](http://upload.wikimedia.org/wikipedia/commons/thumb/d/d3/POL_COA_Rawicz.svg/640px-POL_COA_Rawicz.svg.png)