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.
William Courtenay (died 1557)
Sir William Courtenay (c. 1529 – 29 September 1557) was a landowner in Devon.
He was the son of George Courtenay (died 1533), who predeceased his own father, by his wife Catherine St Ledger, daughter of Sir George St Ledger of Annery.
He succeeded his grandfather Sir William Courtenay, of Powderham in 1535.
He was knighted in 1553 and elected to Parliament for Plympton in 1555.
On 28 Nov 1545, he married Elizabeth Paulet (c. 1536 – 4 Nov. 1576), daughter to John Paulet, 2nd Marquess of Winchester, by whom he had two children: Jane, born 1551, and his heir, William (1553 – 24 June 1630).
He took part in the battle of St. Quentin in August 1557 in Picardy, France, and died on 29 September 1557.
In 1831, a decision of the House of Lords determined that he had succeeded his sixth cousin once removed
(Edward Courtenay, 1st Earl of Devon) as "de jure" 2nd Earl of Devon in 1556.
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.
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.
Francis Courtenay (died 1699)
Francis Courtenay( c. 1650 – 12 May 1699) was an English Member of Parliament.
He represented Devonshire in the House of Commons from 1689 to 1699.
He was the son of Sir William Courtenay, 1st Baronet and the father of Sir William Courtenay, 2nd Baronet.
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.
William Courtenay, 1st Viscount Courtenay
William Courtenay, 1st Viscount Courtenay( 11 February 1709 – 16 May 1762), also" de jure" 7th Earl of Devon, was a British peer.
He was the son of William Courtenay, 6th Earl of Devon and 2nd Baronet Courtenay, and Lady Anne Bertie.
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.
Elizabeth Paulet
Elizabeth Paulet (c. 1536 – 4 November 1576) was an English noblewoman, the daughter of John Paulet, 2nd Marquess of Winchester of Basing, Hampshire and his first wife Elizabeth Willoughby.

Question: Who is William Courtenay (Died 1557)'s mother-in-law?
Answer: Elizabeth Willoughby