Personal life
On November 13, 1812, Todd was married to his second cousin, Elizabeth "Eliza" Parker (1794–1825). Eliza was the daughter of Robert Porter Parker, a prominent landowner and merchant who had died in 1800. Eliza's mother, Elizabeth Rittenhouse (née Porter) Parker, a daughter of Col. Andrew Porter did not remarry prior to her death in 1850. Together, Eliza and Robert were the parents of seven children, six of whom survived to maturity, before her death in 1825, from complications during George's birth. Their children were:
Elizabeth Todd (1813–1888), who married Ninian Edwards Jr., the son of the Illinois Governor Ninian Edwards.
Levi Oldham Todd (1816–1864), who married Louise Searle and remained in Lexington until his death.
Frances Jane Todd (1817–1899), who married Dr. William Smith Wallace.
Mary Ann Todd (1818–1882), who married Abraham Lincoln, later the 16th President of the United States.
Ann Maria Todd Smith (1820–1891), who married Clark Moulton Smith, a successful merchant.
Robert Parker Todd (1821–1822), who died in infancy.
George Rogers Clark Todd (1825–1900), a surgeon who served in a Confederate hospital in South Carolina.
Six months after the death of his first wife, he proposed to Elizabeth "Betsy" Humphreys, and they married on November 1, 1826. Betsy was the daughter of Dr. Alexander Humphreys and Mary (née Brown) Humphreys. Her maternal uncle was John Brown. Together, Betsy and Robert were the parents of nine additional children, eight of whom survived to maturity:
Robert Humphrey Todd (1827–1827), who died in infancy.
Margaret Todd (1828–1904), who married Charles Henry Kellogg.
Samuel Brown Todd (1830–1862), a Confederate soldier who was killed on the second day of the Battle of Shiloh.
David Humphreys Todd (1832–1871), a commandant of the Richmond prisons and served in the 21st Louisiana Infantry Regiment.
Martha Todd (1833–1868), who married C. B. White of Alabama.
Emilie Pariet Todd (1836–1930), who married Confederate Gen. Benjamin Hardin Helm, and son of the Kentucky Governor John L. Helm.
Alexander Humphreys Todd (1839–1862), a Confederate soldier killed at the Battle of Baton Rouge.
Elodie Breck Todd (1840–1877), who married Brig. General Nathaniel Henry Rhodes Dawson, later the third U.S. Commissioner of Education.
Catherine Bodley Todd (1841–1875), who married William Wallace Herr.
In 1832, Todd purchased a three-story, fourteen room, brick residence at 578 West Main Street in Lexington. The new Todd family home was built c. 1803 – c. 1806 as an inn and tavern and known as "The Sign of the Green Tree". Today, the home has been preserved and is known as the Mary Todd Lincoln House.
Todd died suddenly from cholera on July 17, 1849, aged 58, in Liberty Heights, a neighborhood in Lexington.
