John Witt

https://www.familysearch.org/ark:/61903/3:1:3QS7-898Q-C99S-R?i=223 is a picture of the "tan book" for Lynn, Mass., births showing "(Witt) John, s. Thomas and Mary, Sept. 17, 1728."

https://www.findagrave.com/memorial/159519466/john-witt has that he died in Gloucester, Mass. It also has that he was the guardian of his brother, Benjamin Witt, after the death of his father.

https://www.findagrave.com/memorial/159519466/john-witt also lists his children: (likely born in Gloucester)

• John, 1753
• Lydia, 1756
• Sarah, 1756
• Mary Dane, 1758
• Rebecca, 1760

For his daughter, Lydia - https://images.findagrave.com/photos/2013/182/113230557_13728121670... is a picture of the "tan book" of Lynn, Mass., marriages showing "Witt) Lydia, and Joseph Richards, Dec. 21, 1780."