Complex sentence: Christopher's son Louis, the founder of the Collegium illustre in Tübingen, died childless in 1593 and a kinsman, Frederick I (1557--1608) succeeded to the duchy.
Split into simpler sentences: Christopher's son Louis, the founder of the Collegium illustre in Tübingen, died childless in 1593. A kinsman, Frederick I (1557--1608) succeeded to the duchy.