During his reign, several important events occurred, such as the construction of the Heilig-Geist-Hospital in Enkirch and a war with the Archbishop of Trier, Boemund II of Saarbrücken, which caused high death tolls on both sides.
With the establishment of the present State of Hesse, Wimpfen and Steinbach were separated from the Starkenburg region; in turn, the Bischofsheim and Ginsheim-Gustavsburg quarters of the City of Mainz, located east of the Rhine River, passed to the Groß-Gerau district.