Here is what I have on Mary Estey starting with:
Leonard Towne, Sr. - b. 1540 Lincolnshire, Eng.; d. Dec. 1599 same. Md. Ellen Greene Aug. 6 b1565 same (b. Mar. 25, 1544, d. Mar. 1602). Children: Richard Sr., John, Jone, William, Leonard Jr., Edward, Elizabeth.
Richard Towne, Sr. - b. Dec. 12, 1568 Lincolnshire, Eng.; d. bet. 1602-1661 same. Md. Ann Denton after 1582 same (b. 1569 same, d. May 10, 1630). Children: Richard Jr., Edward, Hellen, Elizabeth, Prudence, Ann, Katherine, Mary, William, Margery.
William Towne - b. Mar. 18, 1599 Norfolk, Eng.; d. June 24, 1673 Topsfield, Essex Co., Mass. Md. Joanna Blessing (Jone Blyssynge) Mar. 25, 1620 Norfolk, Eng. (b. 1595 Norfolk, d. June 22, 1675 Salem, Mass.) Children: Rebecca, John, Susannah, Edmund, Jacob, Mary, Sarah, Joseph Sr., Uriah.
(Rebecca, Mary and Sarah were accused of witchcraft. Rebecca and Mary were hanged but Sarah escaped death.)
Mary Towne - b. Aug. 24, 1634 Norfolk, Eng.; d. Sept. 22, 1692 Salem, Mass. Md. Isaac Esty 1655 Topsfield, Mass.(b. Nov. 17, 1627 Suffolk Eng.; d. 1712 Topsfield, Mass.). Children: Abigal, Jeffery, Mary, Isaac Jr. ( b. 1656 Topsfield, d. bet. 1657-1746), Joseph ( b. Feb. 5, 1658 Topsfield, d. bet. 1659-1748), Sarah (b. June 30, 1662 Topsfield, d. 1728, md. bet. 1688-1718 to Moses Gill), John (b. Jan. 2, 1661 Topsfield, d. bet. 1664-1753), Hannah (b. 1667 Topsfield, d. bet. 1668-1761), Benjamin ( b. Apr. 29, 1669 Topsfield, d. bet. 1670-1759, md. Elizabeth Goodhue), Samuel (b. Mar. 25, 1672 Topsfield, d. bet. 1673-1762), Jacob (b. Jan. 24, 1674 Topsfield, d. bet. 1676-1765), and Joshua (b. July 2, 1678, d. bet. 1679-1768).
My husband descends from Mary's younger brother Joseph so I do not have anything further on any of the other siblings. Hope this has been of help to you.