In 1784 he married Cornelia Johnston, a daughter of merchant
David Johnston. Among his children were: • Maria Cornelia Verplanck (1785–1825), who married William Allen. • Emily Verplanck (1791–1869), who married Claude Sylvaine Guillard in 1822. Verplanck died on November 20, 1799, in New York. Two years after his death, his widow married George Cairnes, the Reporter of the
Supreme Court of New York State. ==References==