1. Jeremiah Platt, a New York merchant, was the business partner and brother-in-law of Samuel Broome, mentioned below, who had moved to New Haven in 1775 (Frederic Gregory Mather, The Refugees of 1776 from Long Island to Connecticut, Albany, 1913, p. 664, 680; Donald Lines Jacobus, Families of Ancient New Haven, 8 vols, in 3, Baltimore, 1974, 2:344–345).