The Arnold line is part of My Lineage from the Roots Up, vol. 1 (read for free on Kindle Unlimited). All references are available in the published book.
Israel Arnold Jr. was born January 18, 1678, presumably in Warwick, Rhode Island, to Israel Arnold and Mary (Barker) Smith Arnold. He is thought to have died August 3, 1758, in Warwick, Rhode Island. During his life, he was married three times and had at least a dozen children.