Complex sentence: In 1746, however, he was forced to leave Brussels after it was besieged by French forces under Count Maurice de Saxe and moved with the government of the Austrian Netherlands, first to Antwerp, then to Aachen.
Split into simpler sentences: In 1746, however, he was forced to leave Brussels after it was besieged by French forces under Count Maurice de Saxe. He moved with the government of the Austrian Netherlands, first to Antwerp, then to Aachen.