Jacob Oliver Eaker was born 25 December 1875 in Bollinger County, Missouri. His parents were William Eaker (1822-1909) and Mary Eleana Francis (1833-1885). He married Lula Belle Jackson (1882-1934), daughter of Hamilton Jackson (1852-1883) and Cathryn Rea (1854-1886), in 1897. They had four children. Ancestors, descendants and relatives lived mainly in Pennsylvania, North Carolina, Missouri and Arkansas.

Combining medical facts and real-life experiences with a healing sense of humor, Holy Hormones! encourages women to choose a healthier lifestyle. More importantly, Dr. J. Ron Eaker will show how God's plan, written in nature and the Bible, challenges women to live more joyfully and with greater purpose.

Nathaniel Francis was born ca. 1760 in Virginia. He married Leeann (surname unknown) ca. 1787 in Franklin Co., Tennessee. They lived in Buckingham Co., Georgia and were the parents of twelve children. Nathaniel died ca. 1829 in Franklin Co., Tennessee. Descendants lived in Virginia, Arkansas, Missouri, Texas and elsewhere.