On December 27, 1831, Cadwalader married Maria Charlotte Gouverneur, a daughter of
Nicholas Gouverneur. Her aunt
Elizabeth Kortright had married
U.S. President James Monroe, and brother
Samuel Laurence Gouverneur had married Monroe's daughter. • Mary Cadwalader (1835–1914), who married physician
Silas Weir Mitchell (1829–1914) on June 23, 1875. • Richard McCall Cadwalader (1839–1918), who graduated from Princeton in 1860 and
Harvard Law School in 1863 and who married Christine Biddle (1847–1900) on November 26, 1873. Hone's grandfather was Commodore
Matthew Perry and his great-granduncle was
New York City Mayor Philip Hone. Through his daughter Maria, he was the grandfather of Hester Gouverneur Hone-Bartol. ==References==