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.
Athina Onassis
Athina Hélène Onassis (Greek:
Αθηνά Ωνάση; born Athina Hélène Roussel (Αθηνά Ρουσσέλ), January 29, 1985) is a French-Greek heiress and equestrian, the only surviving descendant of Greek shipping magnate Aristotle Onassis, and the only child of Aristotle's daughter Christina Onassis.
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.
Álvaro de Miranda Neto
Álvaro Affonso de Miranda Neto (born 5 February 1973), more commonly known as Álvaro de Miranda or "Doda" Miranda, is an Olympic-class Brazilian show jumping rider.
He was married to Athina Onassis.
He is president of the organizing committee behind the Athina Onassis International Horse Show, which debuted in 2007 as the fifth stage of the Global Champions Tour in São Paulo.
In 2008, the AOIHS-São Paulo event was the final phase of the tour.
For the tour in 2009, the host city of the AOIHS was Rio de Janeiro.
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.
Álvaro de Bazán, 2nd Marquis of Santa Cruz
Álvaro de Bazán, 2nd Marquis of Santa Cruz, a.k.a. Álvaro de Bazán y Benavides, a.k.a. Alvaro II de Bazán, (12 September 1571 in Naples, Italy – 1646), was the son of Álvaro de Bazán, 1st Marquis of Santa Cruz.
Gutierre de Miranda
Gutierre de Miranda was interim governor of Spanish Florida in the late 16th century.
He was a brother of the previous governor of Spanish Florida, Hernando de Miranda, and brother- in- law of the next governor, Pedro Menéndez Márquez.
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.
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.

Question: Who is the mother-in-law of Álvaro De Miranda Neto?
Answer: Christina Onassis