Complex sentence: He was a supporter of the Reformation, Martin Luther delivered a letter to him is dated 6 November 1524th In Jachymov he worked with include Johannes Mathesius, who served there from 1532 as principal of the school, and from 1540 as a pastor.
Split into simpler sentences: He was a supporter of the Reformation, Martin Luther delivered a letter to him is dated 6 November 1524. In Jáchymov he worked with people such as Johannes Mathesius, who served there from 1532 as principal of the school, and from 1540 as a pastor.