Wife #1: Prudence Shelton. She had daughter Lucinda (#202)
Additional children of Avis Peet: Polly Serena (#203), Mary (#206), & Harriet (#207)
Last owner of the Nichols Farm "manor house" before it was taken down, along with its "capacious slave quarters."
Nicholls, Walter (1909) Sergeant Francis Nicholls of Stratford, Connecticut, 1639, and the Descdendants of his son, Caleb Nicholls. The Grafton Press, Genealogical Publishers, New York. pages 37, 41 (#137)
It may be possible to confirm family relationships with Hezekiah by comparing test results with other carriers of his Y-chromosome or his mother's mitochondrial DNA.
Y-chromosome DNA test-takers in his direct paternal line on WikiTree: