Complex sentence: In his early years Hercules von Oberberg worked for Johann of Brandenburg-Küstrin but on 17 July 1557 he became Royal Building Master, suceeding Martin Bussert, but he only stayed in the position for two years.
Split into simpler sentences: In his early years Hercules von Oberberg worked for Johann of Brandenburg-Küstrin but on 17 July 1557 he became Royal Building Master. He suceeded Martin Bussert but only stayed in the position for two years.