Question: In what year was the mother of Theodosia Burr Alston born?

full_context: Document 1: Joanna Vassa: Joanna Vassa (1795-1857) was the only surviving child of the former slave and anti-slavery campaigner Olaudah Equiano. Her grave has recently been rediscovered in Abney Park Cemetery, London, but little is known of her life.
Document 2: Martha Jefferson: Martha Wayles Skelton Jefferson (born Martha Wayles; October 30, 1748 – September 6, 1782) was the wife of Thomas Jefferson. She was a widow at her second wedding, as her first husband had died young. When her second husband, Jefferson, was Governor of Virginia, she served as First Lady of Virginia from 1779 to 1781. She would have been the third First Lady of the United States, but she died in 1782 well before her husband Thomas Jefferson's presidential term from 1801 to 1809. She also died before the United States Constitution was adopted.
Document 3: Aaron Burr: Aaron Burr Jr. (February 6, 1756September 14, 1836) was an American politician. He was the third Vice President of the United States (1801–1805), serving during Thomas Jefferson's first term.
Document 4: Theodosia Burr Alston: Theodosia Burr Alston (June 21, 1783 – approximately January 2 or 3, 1813) was the daughter of U.S. Vice President Aaron Burr and Theodosia Bartow Prevost. Her husband, Joseph Alston, was governor of South Carolina during the War of 1812. She was lost at sea at age 29.
Document 5: Theodosia Bartow Prevost: Theodosia Bartow Prevost (November 1746 – May 28, 1794), also known as Theodosia Bartow Burr, was an American patriot. Raised by a single mother, she married a British Army officer at seventeen. After the American Revolution began, her own Patriot leanings led her to offer the use of her house, the Hermitage, as a meeting- and resting-place for revolutionaries, including Alexander Hamilton, the Marquis de Lafayette, and Aaron Burr: it was briefly used as the headquarters of George Washington, who counted her amongst his friends. Burr's visit to the Hermitage began a secret romance that, following the death of Prevost's first husband, led to marriage.
Document 6: Capers-Motte House: The Capers-Motte House is a pre-Revolutionary house at 69 Church Street in Charleston, South Carolina. The house was likely built before 1745 by Richard Capers. Later, the house was the home of Colonel Jacob Motte, who served as the treasurer of the colony for 27 years, before passing away in 1770. His son, also named Jacob Motte, married Rebecca Brewton Motte, sister of Miles Brewton. In 1778, Colonel James Parsons occupied the house; he was a member of the Continental Congress and had been offered the vice-presidency of South Carolina before the formation of the United States. From 1800 to 1811, O'Brien Smith, a member of Congress, owned the house. He passed away in 1779, leaving the house to his widow. Later it was owned by his sister Honora Smith Pyne. Mrs. William Mason Smith bought the house in 1869, and her granddaughter, American artist Miss Alice Ravenel Huger Smith lived in the house in the 20th century. The house was restored to its Georgian and Adam period appearance, with later changes removed, when it was bought by Mr. and Mrs. Anthony Cecil in 1969.
Document 7: Angelica Singleton Van Buren: Sarah Angelica Singleton Van Buren (née Singleton; February 13, 1818 – December 29, 1877), was the daughter-in-law of the 8th United States President Martin Van Buren. She was married to the President's son, Abraham Van Buren. She assumed the post of First Lady because the president's wife, Hannah Van Buren, had died 17 years earlier and he remained unwed throughout the rest of his life. Although she was never married to a president, she is the youngest woman ever to hold the title of First Lady.
Document 8: James Armistead Lafayette: James Armistead Lafayette (December 10, 1760 – August 9, 1830) was an enslaved African American who served the Continental Army during the American Revolutionary War under the Marquis de Lafayette. As a double agent, he was responsible for reporting the activities of Benedict Arnold – after he had defected to the British – and Lord Cornwallis during the run-up to the Battle of Yorktown. He fed them false information while disclosing very accurate and detailed accounts to the Americans.
Document 9: Honors and memorials to the Marquis de Lafayette: Gilbert du Motier, Marquis de Lafayette (1757–1834), a French aristocrat and Revolutionary War hero, was widely commemorated in the U.S. and elsewhere. Below is a list of the many homages and/or tributes named in his honor:
Document 10: Gilbert du Motier, Marquis de Lafayette: Marie-Joseph Paul Yves Roch Gilbert du Motier, Marquis de Lafayette (] ; 6 September 1757 – 20 May 1834), in the United States often known simply as Lafayette, was a French aristocrat and military officer who fought in the American Revolutionary War. A close friend of George Washington, Alexander Hamilton, and Thomas Jefferson, Lafayette was a key figure in the French Revolution of 1789 and the July Revolution of 1830.
Document 11: Cuba Plantation: Cuba Plantation is a historic plantation house located in Faunsdale, Alabama. It was built in 1850 by Andrew Pickens Calhoun as an overseer's house for this, his second plantation. He added about 420 acres to Cuba Plantation, purchased from William Henry Tayloe, son of John Tayloe III of The Octagon House-called Adventure. His primary plantation was the nearby Tulip Hill. Andrew Calhoun was the son of John C. Calhoun, seventh Vice President of the United States, who frequented the Octagon House while in Washington, D.C. as Secretary of War and later an independent outlier of the anti-Jacksonian Whig Party, later realigning himself with the Democrats' policies. It was sold in 1863 to Tristram Benjamin Bethea, who resided in Montgomery County, Alabama. Originally a one-story structure, the house was later enlarged on the ground floor and a second story added by the Bethea family. The house was added to the National Register of Historic Places on July 13, 1993, as a part of the Plantation Houses of the Alabama Canebrake and Their Associated Outbuildings Multiple Property Submission.
Document 12: Anna Harrison: Anna Tuthill Symmes Harrison (July 25, 1775 – February 25, 1864), wife of President William Henry Harrison and grandmother of President Benjamin Harrison, was nominally First Lady of the United States during her husband's one-month term in 1841, but she never entered the White House. At the age of 65 years during her husband's presidential term, she is the oldest woman ever to become First Lady, as well as having the distinction of holding the title for the shortest length of time, and the first person to be widowed while holding the title. She was the last First Lady to have been born in British America.
Document 13: Eliza Jumel: Eliza Jumel (née Bowen; April 2, 1775 – July 16, 1865), also known as Eliza Burr, was a wealthy American socialite. Born into poverty, through her own ingenuity and an advantageous marriage to a wealthy merchant, she was by the time of her death one of the richest women in New York.
Document 14: Joshua Hett Smith House: Joshua Hett Smith House (demolished), also known as Treason House, was a historic house in West Haverstraw, New York. It stood on a hill overlooking the King's Ferry at Stony Point, an important crossing of the Hudson River. During the American Revolutionary War, General Benedict Arnold met at the house with British Major John André, while plotting to surrender the fort at West Point. Later, the house had a brief tenure as headquarters for General George Washington.
Document 15: Fraunces Tavern: Fraunces Tavern is a landmark museum and restaurant in New York City, situated at 54 Pearl Street at the corner of Broad Street. The location played a prominent role in history before, during and after the American Revolution, serving as a headquarters for George Washington, a venue for peace negotiations with the British, and housing federal offices in the Early Republic. It has been owned since 1904 by Sons of the Revolution in the State of New York Inc., which carried out a major conjectural reconstruction, and claim it is Manhattan's oldest surviving building. The museum interprets the building and its history, along with varied exhibitions of art and artifacts. The tavern is a tourist site and a part of the American Whiskey Trail and the New York Freedom Trail.
ground_truth: 1746