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.
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.
Adelaide of Paris
Adélaïde of Paris (or Aélis) (c. 850/853 – 10 November 901) was a Frankish queen.
She was the second wife of Louis the Stammerer, King of West Francia, and was the mother of Charles the Simple.
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.
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.
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.
Louis the Stammerer
Louis II, known as Louis the Stammerer (1 November 846 – 10 April 879), was the King of Aquitaine and later the King of West Francia.
He was the eldest son of emperor Charles the Bald and Ermentrude of Orléans.
Louis
the Stammerer was physically weak and outlived his father by only two years.
He succeeded his younger brother Charles the Child as the ruler of Aquitaine in 866 and his father in West Francia in 877, but he was never crowned Holy Roman Emperor.
Louis was crowned king on 8 October 877 by Hincmar, archbishop of Reims, at Compiegne and was crowned a second time in August 878 by Pope John VIII at Troyes while the pope was attending a council there.
The pope may have even offered him the imperial crown, but it was declined.
Louis had relatively little impact on politics.
He was described "a simple and sweet man, a lover of peace, justice, and religion".
In 878, he gave the counties of Barcelona, Girona, and Besalú to Wilfred the Hairy.
His final act was to march against the invading Vikings, but he fell ill and died on 9 April or 10 April 879, not long after beginning this final campaign.
On his death, his realms were divided between his two sons, Carloman II and Louis III of France.
Adelaide of Rheinfelden
Adelaide of Rheinfelden( or Adelaide of Swabia)( 1060s – May 1090), was Queen Consort of Hungary by marriage to King Ladislaus I of Hungary.
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.
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.

Question: Who is the mother-in-law of Adelaide Of Paris?
Answer: Ermentrude of Orléans