Old Sosawanno appears on a list of Natick Indians in 1683. His name appears on two Natick petitions the following year. In one, he, Captain Tom, and several others protested the sale of land near Whip Suffrage, Massachusetts, and demanded redress. MA 30: 279a, 287. Petition of Captain Tom to the Massachusetts General Assembly, 1684.09.19.00/ MA 30: 276, 287, 256a.