Will of William Slack of Attleborough ... Ship Carpenter, Being aged & Weak", dated 23 Feb 1726/27, proved 17 Oct 1727, names wife Mary [given "my Indian Servant for the Term of Thirteen years", later named Cesar]; grandson William Slack son of Samuel Slack; son Thomas Slack; son John Slack; son Samuel Slack; son Benjamin Slack; son Joseph Slack; daughter Elizabeth Ide; son In law Jonathan Jencks; four granchildren Jerusha Jencks, Elizabeth Jencks, Hannah Jencks & Rebeckah Jencks. Son Thomas to be executor.
18 Nov 1727: Inventory of Mr William Slack Late of Attleborough, not totaled, by Noah Carpenter, Samuell Tay, Jonathan ffuller.
