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.
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.
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.
Michael Ahlefeldt-Laurvig-Bille
Michael Preben Ahlefeldt-Laurvig-Bille  (born 26 February 1965) is a Danish count and landowner.
In 1994, he assumed ownership of the family's residence, Egeskov Castle near Kværndrup, from his father Count Claus Ahlefeldt-Laurvig-Bille (1932–2014).
Under his ownership, Egeskov Castle has been turned into one of Funen's major tourist attractions.
In 2006, he was awarded the title of "hofjægermester".
On 18th of May 2019, he married Princess Alexandra of Sayn-Wittgenstein-Berleburg, niece of Queen Margrethe II of Denmark.
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.
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.
Ebba Eriksdotter Vasa
Ebba Eriksdotter Vasa (circa 1491 – 21 November 1549) was a Swedish noblewoman.
She was the mother of Queen Margaret Leijonhufvud and the second cousin and mother-in-law of King Gustav Vasa.
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.
Princess Alexandra of Sayn-Wittgenstein-Berleburg
Princess Alexandra of Sayn-Wittgenstein-Berleburg, Countess Ahlefeldt-Laurvig-Bille (Alexandra Rosemarie Ingrid Benedikte; born 20 November 1970), is the first daughter and second of three children of Prince Richard of Sayn-Wittgenstein-Berleburg and Princess Benedikte of Denmark.
Under the succession rules set by King Frederik IX, since Princess Benedikte and her children, including Princess Alexandra, have not taken up permanent residence in Denmark, they have effectively waived their place in the line of succession to the Danish throne.
Since 19 May 1998, Alexandra has been a Danish citizen.

Question: Who is the mother-in-law of Michael Ahlefeldt-Laurvig-Bille?