John Julius Angerstein was a London businessman and Lloyd's underwriter, a patron of the fine arts and a collector. Wikipedia
Born: 1735, Saint Petersburg, Russia
Died: January 22, 1823 (age 88 years), London, United Kingdom
Children: John Angerstein and Juliana Angerstein
Parents: Anna I of Russia
Great grandchildren: Charles John Rowley, Richard Brooke Rowley, Amelia Elizabeth Rowley, and more
Grandchildren: William Angerstein, Frederick Angerstein, and Elizabeth Julia Angerstein
Partner: Eliza Payne (1785–) and Ann Muilman (1771–)