Alida Rockefeller Messinger
Alida Ferry Rockefeller Messinger( born 1948) is an American philanthropist and the youngest daughter of John Davison Rockefeller III.
John D. Rockefeller III
John Davison Rockefeller III (March 21, 1906 – July 10, 1978) was a philanthropist and third-generation member of the prominent Rockefeller family.
He was the eldest son of the philanthropists John D. Rockefeller Jr. and Abby Aldrich Rockefeller.
His siblings were Abby, Nelson, Laurance, Winthrop and David.
Like his sister Abby, John III eventually settled on philanthropy as his major interest.
His brothers Nelson and Winthrop devoted themselves to politics while Laurance went into conservation and David went into banking.
He was a major force behind the establishment of the Council on Foundations, the Foundation Center and Independent Sector.
He took a leading role in organizing the Commission on Foundations and Private Philanthropy (better known as the Peterson Commission) and the Commission on Private Philanthropy and Public Needs (better known as the Filer Commission).
He also made the initial donation to support Yale University's Program on Non-Profit Organizations, the first academic research center to focus on nonprofits.
In addition to his interest in philanthropy, Rockefeller made major commitments to supporting organizations related to East Asian affairs, including the Institute of Pacific Relations, the Asia Society, and the Japan Society.
He was also a major supporter of the Population Council.
Blanchette Ferry Rockefeller
Blanchette Ferry Hooker (October 2, 1909 – November 29, 1992) was the wife of John D. Rockefeller III and mother of Jay Rockefeller.
She was twice president of the Museum of Modern Art.
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.
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.
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.
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.
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.
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.

Question: Who is Blanchette Ferry Rockefeller's mother-in-law?
Answer: Abby Aldrich