Thomas Jefferson President order: 3 Democratic Republican Born in Virginia Sworn in on 3/4/1801 Age at inauguration: 57 2 terms Biography Thomas Jefferson (April 13, 1743 – July 4, 1826) was the third President of the United States (1801–1809) and the principal author of the Declaration of Independence (1776). An influential Founding Father, Jefferson envisioned America as a great "Empire of Liberty" that would promote republicanism. Early life: The third of ten children, Thomas Jefferson was born on April 13, 1743 into a planter family closely related to some of the most prominent individuals in Virginia. Two siblings died in childhood.His mother was Jane Randolph, daughter of Isham Randolph of Dungeness, a ship's captain and sometime planter, first cousin to Peyton Randolph, and granddaughter of wealthy English and Scottish gentry. Jefferson's father was Peter Jefferson, a planter and surveyor in Albemarle County (Shadwell, then Edge Hill, Virginia.) He was of possible Welsh descent, although this remains unclear.When Colonel William Randolph, an old friend of Peter Jefferson, died in 1745, Peter assumed executorship and personal charge of William Randolph's estate in Tuckahoe as well as his infant son, Thomas Mann Randolph, Jr. Marriage and family: In 1772, at age 29 Jefferson married the 23-year-old widow Martha Wayles Skelton. They had six children, only two of whom survived to adulthood. Only their oldest daughter Martha lived beyond age 25. Web Thomas Jefferson - Wikipedia, the free encyclopedia Thomas Jefferson (April 13, 1743 – July 4, 1826) was the principal author of the Declaration of Independence (1776) and the third President of the United States (1801–1809). en.wikipedia.org/wiki/Thomas_JeffersonThomas Jefferson Thomas Jefferson was the 3rd President of the United States, from 1801-1809. www.whitehouse.gov/about/presidents/thomasjeffersonThomas Jefferson : Biography Thomas Jefferson was born in Albemarle County, Virginia in 1743. His father owned a 5,000 acre plantation. After graduating from the William and Mary College, Williamsburg, he ... www.spartacus.schoolnet.co.uk/WWjefferson.htm