Princess Antoinette of Saxe-Altenburg
Princess Antoinette of Saxe- Altenburg( 17 April 1838 – 13 October 1908) was a princess of Saxe- Altenburg by birth and Duchess of Anhalt by marriage.
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.
Alexandre-Athenase Noghès
Alexandre- Athenase Noghès( 15 June 1916 – 16 February 1999) was an international tennis champion, best known as the first husband of Princess Antoinette of Monaco, whom he married as his second wife on 4 December 1951.
Noghès was descended from the first Spanish commander of the Monaco garrison.
His grandfather Alexandre was the founder of the Monaco Automobile Club and former general treasurer of Monaco's state finances.
His father, Antony( 1890 – 1978), created the first Grand Prix ever raced in a city, the world- famous Grand Prix de Monaco.
Antony also created the renowned Rallye Monte Carlo and is credited with inventing the chequered flag.
Noghès entered into a liaison with Princess Antoinette of Monaco in the mid-1940s and three illegitimate children were born to the couple: Elisabeth- Anne( born 1947), Christian Louis( born 1949) and Christine- Alix( 1951–1989).
They were married in a civil ceremony in Genoa on 4 December 1951, and divorced three years later in 1954.
Following their divorce, Noghès lived for a time on his yacht before settling in the United States.
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.
Princess Antoinette of Anhalt
Princess Antoinette of Anhalt (3 March 1885 – 3 April 1963) was a Princess of Anhalt by birth.
As the wife of Prince Frederick of Schaumburg-Lippe, she became a Princess of Schaumburg-Lippe by marriage.
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.
Joachim Ernst, Duke of Anhalt
Joachim Ernst, Duke of Anhalt( 11 January 1901 – 18 February 1947) was the last ruler of the Duchy of Anhalt.
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.
Christian Louis de Massy
Baron Christian Louis de Massy (born 17 January 1949) is the son of Princess Antoinette of Monaco, Baroness de Massy, and her husband, international tennis champion Alexandre-Athenase Noghès.
His grandfather, Antony Noghès, created the world-famous Monaco Grand Prix.
He was one of the two page boys at the wedding of his uncle Rainier III with Grace Kelly.
Prince Frederick of Schaumburg-Lippe
Prince Frederick of Schaumburg-Lippe (30 January 186812 December 1945) was a German prince and head of the Náchod branch of the princely house of Schaumburg-Lippe.
He was a son of Prince William of Schaumburg-Lippe, by his wife Princess Bathildis of Anhalt-Dessau.

Question: Who is the mother-in-law of Princess Antoinette Of Anhalt?