William II, Count of Hainaut
William II (1307 – 26 September 1345) was Count of Hainaut from 1337 until his death.
He was also Count of Holland and Count of Zeeland.
He succeeded his father, William I, and married Joanna of Brabant in 1334, but had no issue.
Joanna, Duchess of Brabant
Joanna, Duchess of Brabant (24 June 1322 – 1 November 1406), also known as Jeanne, was a ruling Duchess of Brabant from 1355 until her death.
She was the heiress of Duke John III, and Marie d'Évreux.
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.
William II of the Netherlands
William II( Willem Frederik George Lodewijk, anglicized as William Frederick George Louis; 6 December 1792 – 17 March 1849) was King of the Netherlands, Grand Duke of Luxembourg, and Duke of Limburg.
William II was the son of William I and Wilhelmine of Prussia.
When his father, who up to that time ruled as sovereign prince, proclaimed himself king in 1815, he became Prince of Orange as heir apparent of the Kingdom of the Netherlands.
With the abdication of his father on 7 October 1840, William II became king.
During his reign, the Netherlands became a parliamentary democracy with the new constitution of 1848.
William II was married to Anna Pavlovna of Russia.
They had four sons and one daughter.
William II died on 17 March 1849 and was succeeded by his son William III.
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.
William II of Baux
William II of Baux( died 1239) was a son of William of Baux.
Following his father, William II carried the title of prince of Orange.
The title had come to the House of Baux through a brother, Raimbaut of Orange, of William II's paternal grandmother, Tiburge de Sarenom, the latter also referred to as Tiburge princess of Orange.
Cornelia (mother of the Gracchi)
Cornelia( c. 190s – c. 115 BC) was the second daughter of Publius Cornelius Scipio Africanus, the hero of the Second Punic War, and Aemilia Paulla.
She is remembered as a prototypical example of a virtuous Roman woman.
She was the mother of the Gracchi brothers, and the mother- in- law of Scipio Aemilianus.
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.
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.
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.

Question: Who is the mother-in-law of William Ii, Count Of Hainaut?
Answer: Marie d'Évreux