Complex sentence: After the transfer to Bavaria in 1806 Augsburg constituted a magistrate with two mayors, it was supported by a additional council of so called "community commissioners" (Gemeindebevollmächtige).
Split into simpler sentences: After the transfer to Bavaria in 1806 Augsburg constituted a magistracy with two mayors. It was supported by an additional council of so called "community commissioners" (Gemeindebevollmächtige).