Complex sentence: Maryland Square was restored to General Steuart after the war, but he never lived there again, choosing to live at Mount Steuart, his family estate on the Chesapeake in Anne Arundel County.
Split into simpler sentences: Maryland Square was restored to General Steuart after the war, but he never lived there again. He lived at Mount Steuart, the large family plantation on the Chesapeake Bay in Anne Arundel County.