I still don't know the name of John IV's wife. I can provide the following information on one of Nathaniel's wives. You may already have it.
Kimball, Esther, b. April 1, 1698; m. Nov. 6, 1732, Nathaniel Dane.
She was his third wife. He had eight children by former marriages.
Children of Esther (Kimball) Dane:
1. Ephraim Dane, b. Aug., 1733; d. Sept., 1833. 2. Esther Dane, b. Aug., 1733; d. Aug., 1736. 3. Abigail Dane, b. Sept., 1734. 4. Martha Dane, b. Feb., 1735; d. Aug., 1736. 5. Esther Dane, b. June, 1737. 6. Nehimiah Dane, b. about 1739.
History of the Kimball Family vol1 Author: Leonard Allison Morrison Call Number: CS71.K49 Page 53
Parents of Esther (Kimball) Dane:
Ephraim Kimball3 (Richard2, Richard1), was born at Wenham, Mass., Feb. 18, 1660; died Jan. 16, 1731-2. He married Nov. 24, 1685, Mary Friend, daughter of Dea. James Friend. She was born May 6, 1666, d. Oct. 26, 1741. They resided in Wenham, where he was deacon of the first church. He was called yeoman. His will was made July 1, 1731, and proven Feb. 14, 1732. He leaves his wife, Mary, the east end of the dwelling house, half the cellar, all his household goods, two cows, and five cords of wood, corn meal and malt, and three barrels of cider yearly. He owned land in Wenham and Topsfield.
History of the Kimball Family vol1 Author: Leonard Allison Morrison Call Number: CS71.K49 Page 52