Infante Francisco, Duke of Beja
Infante Francisco, Duke of Beja , (Lisbon, 25 May 1691 – Lisbon, 21 July 1742) was a Portuguese "infante" (prince) son of Peter II, King of Portugal, and his second wife, Maria Sofia of the Palatinate.
Maria Sophia of Neuburg
Maria Sophia Elisabeth of Neuburg (6 August 1666 – 4 August 1699) was queen of Portugal as the wife of King Peter II from 1687 until her death in 1699.
A popular queen, she was noted for her extraordinary generosity and for being the mother of the famously extravagant John V of Portugal.
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.
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.
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.
Peter II of Portugal
"Dom" Pedro II (Peter II; 26 April 1648 – 9 December 1706), nicknamed "the Pacific", was the King of Portugal from 1683 until his death, previously serving as regent for his brother Afonso VI from 1668 until his own accession.
He was the fifth and last child of John IV and Luisa de Guzmán.
Countess Palatine Leopoldine Eleonora of Neuburg
Leopoldine Eleonora of Neuburg( Leopoldine Eleonora Josepha; 27 May 1679 – 8 March 1693), was by birth Countess Palatine of Neuburg and member of the House of Wittelsbach.
Born in Neuburg an der Donau, she was the youngest of seventeen children of Philip William, Duke of Neuburg, Berg and Jülich, Elector Palatine of Neuburg and his wife Landgravine Elisabeth Amalie of Hesse- Darmstadt.
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.
Philip William, Elector Palatine
Philip William of Neuburg, Elector Palatine( 24 November 1615 – 2 September 1690) was Count Palatine of Neuburg from 1653 to 1690, Duke of Jülich and Berg from 1653 to 1679 and Elector of the Palatinate from 1685 to 1690.
He was the son of Wolfgang Wilhelm, Count Palatine of Neuburg and Magdalene of Bavaria.
Countess Palatine Hedwig Elisabeth of Neuburg
Hedwig Elisabeth of Neuburg (Hedwig Elisabeth Amelia; 18 July 1673 – 10 August 1722) was a Polish princess by marriage to James Louis Sobieski.
She was the daughter of Philip William, Duke of Neuburg, Berg and Jülich, Elector Palatine of Neuburg, and Landgravine Elisabeth Amalie of Hesse-Darmstadt.
She was the grandmother of Charles Edward Stuart, the "Young Pretender".

Question: Who is the mother-in-law of Maria Sophia Of Neuburg?
Answer: Luisa de Guzmán