Herzogtum Schweidnitz-Jauer
Köler was born in 1602 in Silesian Bolesławiec in the Duchy of Jawor, at got his first schooling at the in Breslau. Subsequently, he studied from 1624 to 1629 jurisprudence at the University of Strasbourg, where he joined the historian and philologist Matthias Egger of Bern. Köler returned to Bolesławiec in 1629. He was hired at the Breslauer Elisabeth-Gymnasium in 1634, and was appointed deputy head and Professor in 1637.