Complex sentence: Adam von Herberstorff, the Bavarian steward of Upper Austria, called all the men from the region to the Haushamerfeld near Frankenburg to hold the assizes; the 36 men who had led the revolt were among the 5,000 gathered.
Split into simpler sentences: Adam von Herberstorff, the Bavarian steward of Upper Austria, called all the men from the region to the Haushamerfeld near Frankenburg to hold the assizes. The 36 men who had led the revolt were among the 5,000 gathered.