He was born at Friesoythe in present-day Lower Saxony.
He was then rector of a school in Erfurt, and returned to Prague in 1366.
[2] In the course of a long-running dispute, Adalbert Ranconis accused him of heresy in 1369–70.
[4] For reasons connected with the Western Schism, he left Paris in 1381;[5] he then taught at Prague, 1381 to 1381, lecturing there on the Psalms and Gospel of John.
Around 1374 he abridged the Sentences commentary of Adam Wodeham.