Stanisław Potocki (1734–1802)
Józef Potocki (1734–1802) was a Polish nobleman (szlachcic).
Józef was Great Krajczy of the Crown from 1776 to 1780, Rotmistrz of a Husar Choragiew, starost of Leżajsk and Knight of the Order of the White Eagle, awarded in 1769.
He was married to Anna Teresa Ossolińska and they had three children together:
Jan Potocki, Seweryn Potocki and Maria Anna Potocka.
Maria Thins
Maria Thins( c. 1593 – 27 December 1680) was the mother- in- law of Johannes Vermeer and a member of the Gouda Thins family.
Vera Miletić
Vera Miletić (Serbian Cyrillic: Вера Милетић; 8 March 1920 – 7 September 1944) was a Serbian student and soldier.
She was notable for being the mother of Mira Marković, posthumously making her the mother-in-law of Serbian president Slobodan Milošević.
Anna Teresa Potocka
Princess Anna Teresa Potocka née "Ossolińska" (1746–1810) was a Polish noblewoman, philanthropist and Freemason.
She was the daughter of Józef Ossoliński and Teresa Stadnicka and the sister of Józef Salezego.
She married Józef Potocki in December 1760, and became the mother of the writer Jan Potocki.
She was a supporter of the Bar Confederation (1768-1771).
She was known for her philanthropic work and founded a charitable society.
When a Woman's Adoption Lodge of the Masonic Order was founded in Poland in 1769, she became its Grand Mistress, counting other noblewomen such as Elżbieta Czartoryska (1736–1816) among its members.
She is known as the founder of the church at Rymanów.
The year of her death is usually given as 1810, but she was still alive in 1812 when the second wife of Jean, Constance, visited her in Vienna.
Marian Shields Robinson
Marian Lois Robinson( née Shields; born July 29, 1937) is the mother of Michelle Obama, former First Lady of the United States, and Craig Robinson, a basketball executive, and the mother- in- law of former U.S. President Barack Obama.
Priscilla Pointer
Priscilla Marie Pointer( born May 18, 1924) is an American stage, film and television character actress.
She began her career in the theater, including productions on Broadway.
Later, Pointer moved to Hollywood to act in films and on television.
She is the mother of Amy Irving, therefore making her the former mother- in- law of filmmakers Steven Spielberg and Bruno Barreto and the mother- in- law of documentary filmmaker Kenneth Bowser, Jr.
Doria Ragland
Doria L. Ragland( born September 2, 1956) is the mother of Meghan, Duchess of Sussex, the mother- in- law of Prince Harry, and the maternal grandmother of Archie Mountbatten- Windsor, who is seventh in line to the British throne.
She is a former makeup artist, business owner, yoga instructor, and former social worker who worked in the mental health sector from 2015 to 2018.
Artur Potocki
Artur Stanisław Potocki( 1787–1832) was a Polish nobleman( szlachcic).
Eldon Howard
Eldon Howard was a British screenwriter.
She was the mother- in- law of Edward J. Danziger and wrote a number of the screenplays for films by his company Danziger Productions.
Baroness Gösta von dem Bussche-Haddenhausen
Baroness Gösta von dem Bussche- Haddenhausen( 26 January 1902 – 13 June 1996) was the mother of Prince Claus of the Netherlands, who was the Prince Consort of Queen Beatrix of the Netherlands, thus making her the mother- in- law of the former Dutch Queen.
She is also the paternal grandmother of King Willem- Alexander of the Netherlands, who is the current Dutch King.

Question: Who is Stanisław Potocki (1734–1802)'s mother-in-law?
Answer: Teresa Stadnicka