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

Context articles: Theda Bara
William Barnard Rhodes
Burr Van Nostrand
Sangob Rattanusorn
Alston Koch
Theodosia Bartow Prevost
Ronald T. Burr
Nina Auchincloss Straight
Charles Alston (gridiron football)
Theodosia Burr Alston

Theda Bara ( ; born Theodosia Burr Goodman, July 29, 1885 – April 7, 1955) was an American silent film and stage actress.
Rhodes was the son of William Rhodes, a wealthy tenant farmer born in Yorkshire.
 His mother was Theodosia Maria Rhodes (née Heaton).
 Rhodes Jr. was baptised on 9 May 1807 in Epworth, Lincolnshire, England.
 He was a second officer on a merchant vessel by the age of 19, and by 1831 he had his own command.
 After visiting South America, Africa, and India, Rhodes ended up in Australia, where he formed a partnership with a local company to acquire land in New Zealand.
 Rhodes established his base of operations in Wellington in 1840, and the extensive farming ventures he established became very profitable.
 Before long he was able to buy out his partners in Sydney, and he became known as one of the richest people in Wellington.
 His business was originally based around exporting the produce from his farms, but later broadened to include imports, shipping, insurance and finance.
 At the same time, he continued to expand his holdings, buying and selling huge amounts of land.
Burr Van Nostrand (born 1945) is an American classical composer and cellist.
 He is known for his avant-garde works which use aleatory and graphic notation and were composed from the 1960s through the 1980s.
 Van Nostrand was born in Los Angeles and began composing while still in high school in San Diego.
 He studied cello at Yale with Aldo Parisot and composition at the New England Conservatory under Robert Cogan.
 After his graduation from the NEC with a Masters in Music in 1971, he spent four years in the Netherlands at the Gaudeamus Foundation where several of his works were premiered.
 He stopped composing in the late 1980s but remained active as a cellist until 2000.
 There was renewed interest in his music following a concert of his early works at the New England Conservatory in 2012 and the release of a CD the following year containing his 1969 "Voyage in a White Building I" and two other works from that period.
Sangob Rattanusorn (born 1943) is a former badminton player from Thailand who won numerous titles and represented his country in team play from the early 1960s through the early 1970s.
 A fine "all-arounder" (proficient in all three events: singles, men's doubles, and mixed doubles), Rattanusorn won eight Thai national singles titles between 1962 and 1970, and the Southeast Asian Peninsular singles title in 1967.
 Outside of Asia, his most significant victories came in doubles events.
 He shared the U.S. Open mixed doubles title with England's Margaret Barrand in 1963, and the Canadian Open mixed doubles title with the USA's Lois Alston in 1968.
 In 1968 he also won the Canadian Open and Dutch Open men's doubles titles, and reached the men's doubles semifinal at the All-England Championships with fellow countryman Chavalert Chumkum.
 Perhaps the best year in his badminton career, however, came toward the end of it in 1973, when he helped Thailand to a surprise victory over Malaysia in the Asian zone final of Thomas Cup before bowing to perennial champion Indonesia in the inter-zone ties.
Alston Koch is a Sri Lanka born Australian singer-songwriter, film producer, record producer and actor.
 He was awarded "World Artist of The Year" at the "Global Officials of Dignity Awards" presented at the United Nations in New York and also received State of California Senate's Certificate of Recognition and Certificate of Special US Congressional Recognition for improving the lives of the communities in America.
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.
Ronald Terry Burr (born September 30, 1964) is an American Internet and media entrepreneur, based in Los Angeles, CA.
 He is the holder of nine internet patents and the co-founder and original chief executive officer of NetZero.
 During his career he has created over $1 Billion in value for shareholders.
 Early in his career Burr developed software applications which are used by IBM, Verizon Wireless, and Sempra Energy.
 Burr is often a guest speaker at industry conferences and was named by InfoWorld as one of the Top 50 IT executives at xSP’s, by Interactive Week as one of the 25 Top Unsung Hero's of the Net and was a finalist for Ernst & Young's Entrepreneur of the Year award.
 Burr was also the Chief Executive Officer of online advertising company WebVisible, Inc. until its closure in 2011 due to unpaid debts.
Nina Gore Straight (née Auchincloss, formerly Steed, born 1935) is an American author, journalist, and socialite.
 She is the mother of writer/director Burr Steers and artist Hugh Auchincloss Steers, half-sister of Gore Vidal, step-sister of First Lady Jacqueline Kennedy Onassis and socialite Lee Radziwill.
Charles Alston (born June 8, 1978) is a former professional gridiron football defensive end who played for the Edmonton Eskimos of the Canadian Football League (CFL).
 Alston played college football and college basketball at Bowie State University, becoming the first NCAA player to play both a football and basketball game in the same day.
 In his first of two years with the Bulldogs, Alston was named to the All-Conference football team in his role as an offensive lineman.
 He later led the Bulldogs in his second year as the team captain.
 From 2003 to 2004, Alston attempted to break into the National Football League (NFL), spending time with three different teams in the preseason or as a practice squad player.
 He never played a regular season game in the NFL.
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.