Joseph Wright
He was descended from a family that was long prominent in business and politics, including his cousin Richard Alsop and great-uncle Continental Congressman John Alsop. Charles' younger brother, Joseph Wright Alsop, Jr. (1804–1878), was the father of Joseph Wright Alsop III (1838–1891), who was the father of Joseph Wright Alsop IV (1876–1953) who married Corinne Douglas Robinson (1886–1971), a niece of Theodore Roosevelt, and were the parents of Joseph Wright Alsop V (1910–1989) and Stewart Alsop (1914–1974), both American newspaper journalists and political analysts.