Ellen Marsvin
Ellen Marsvin (1 February 1572 – 11 November 1649) was a Danish noble, landowner and county administrator.
She was the mother-in-law of King Christian IV of Denmark, the mother of Kirsten Munk (1598–1658) and grandmother of Leonora Christina Ulfeldt (1621–1698).
Frederick IX of Denmark
Frederick IX (Christian Frederik Franz Michael Carl Valdemar Georg; 11 March 1899 – 14 January 1972) was King of Denmark from 1947 to 1972.
Born into the House of Glücksburg, Frederick was the elder son of King Christian X and Queen Alexandrine of Denmark.
He became crown prince when his father succeeded as king in 1912.
As a young man, he was educated at the Royal Danish Naval Academy.
In 1935, he was married to Princess Ingrid of Sweden and they had three daughters, Margrethe, Benedikte and Anne-Marie.
During Nazi Germany's occupation of Denmark, Frederick acted as regent on behalf of his father from 1942 until 1943.
Frederick became king on his father's death in early 1947.
During Frederick IX's reign Danish society changed rapidly, the welfare state was expanded and, as a consequence of the booming economy of the 1960s, women entered the labour market.
The modernization brought new demands on the monarchy and Frederick's role as a constitutional monarch.
Frederick IX died in 1972, and was succeeded by his eldest daughter, Queen Margrethe II.
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.
Ingrid of Sweden
Ingrid of Sweden
(Ingrid Victoria Sofia Louise Margareta; 28 March 1910 – 7 November 2000) was Queen of Denmark from 1947 until 1972 as the wife of King Frederick IX.
Born into the House of Bernadotte, she was the daughter of King Gustaf VI Adolf of Sweden and his first wife, Princess Margaret of Connaught.
In 1935 she married Crown Prince Frederick of Denmark and they had three daughters, Margrethe, the present Queen of Denmark, Benedikte, now a Princess of Sayn-Wittgenstein-Berleburg, and Anne-Marie, the former Greek queen.
In 1947, her husband became king on his father's death.
As queen, Ingrid reformed the traditions of Danish court life, abolished many old-fashioned customs at court and created a more relaxed atmosphere at official receptions.
King Frederick IX died in 1972, and Ingrid's daughter Margrethe became queen.
She was also a paternal aunt of the present Swedish monarch, King Carl XVI Gustaf.
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.
Louise of Hesse-Kassel
Louise of Hesse-Kassel (7 September 1817 – 29 September 1898) was Queen of Denmark by marriage to King Christian IX of Denmark.
Queen Anne-Marie of Greece
Queen Anne- Marie of Greece, RE( born Princess Anne- Marie of Denmark on 30 August 1946) is the wife of King Constantine II, who reigned from 1964 until 1973.
Anne- Marie is the youngest daughter of King Frederick IX of Denmark and his wife Ingrid of Sweden.
She is the youngest sister of the reigning Queen Margrethe II of Denmark and cousin of the reigning King Carl XVI Gustaf of Sweden.
Margrethe II of Denmark
Margrethe II( full name:" Margrethe Alexandrine Þórhildur Ingrid"; born 16 April 1940) is Queen of Denmark, as well as the supreme authority of the Church of Denmark and commander- in- chief of the Danish Defence.
Born into the House of Glücksburg, a royal house with origins in northern Germany, she was the eldest child of Frederick IX of Denmark and Ingrid of Sweden.
She became heir presumptive to her father in 1953, when a constitutional amendment allowed women to inherit the throne.
Margrethe succeeded her father upon his death on 14 January 1972.
On her accession, she became the first female monarch of Denmark since Margrethe I, ruler of the Scandinavian kingdoms in 1375 – 1412 during the Kalmar Union.
In 1967, she married Henri de Laborde de Monpezat, with whom she has two sons: Crown Prince Frederik and Prince Joachim.
She has been on the Danish throne for years, becoming the second- longest- reigning Danish monarch after her ancestor Christian IV.
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.

Question: Who is Frederick Ix Of Denmark's mother-in-law?
Answer: Princess Margaret of Connaught