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.
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.
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.
Wenceslaus III of Bohemia
Wenceslaus III (6 October 12894 August 1306) was King of Hungary between 1301 and 1305, and King of Bohemia and Poland from 1305.
He was the son of Wenceslaus II, King of Bohemia, who was later also crowned king of Poland, and Judith of Habsburg.
Still a child, Wenceslaus was betrothed to Elizabeth, the sole daughter of Andrew III of Hungary.
After Andrew III's death in early 1301, the majority of the Hungarian lords and prelates elected Wenceslaus king, although Pope Boniface VIII supported another claimant, Charles Robert, a member of the royal house of the Kingdom of Naples.
Wenceslaus was crowned king of Hungary on 27 August 1301.
He signed his charters under the name Ladislaus in Hungary.
His rule was only nominal, because a dozen powerful lords held sway over large territories in the kingdom.
His father realized that Wenceslaus's position could not be strengthened and took him back from Hungary to Bohemia in August 1304.
Wenceslaus succeeded his father in Bohemia and Poland on 21 June 1305.
He abandoned his claim to Hungary in favor of Otto III of Bavaria on 9 October.
Wenceslaus granted large parcels of the royal domains to his young friends in Bohemia.
A claimant to the Polish throne, Władysław the Elbow-high, who had started conquering Polish territories during the rule of Wenceslaus's father, captured Cracow in early 1306.
Wenceslaus decided to invade his rival's territories in Poland, but he was murdered before starting his campaign.
He was the last of the male Přemyslid rulers of Bohemia.
Viola of Teschen
Viola of Teschen, later known as Elizabeth  (ca. 1291 – 21 September 1317), was Queen of Bohemia and Poland by marriage to Wenceslaus III of Bohemia.
She was the third child and only daughter of Mieszko I, Duke of Teschen, by his unknown wife, probably called Grzymisława.
She was named after her paternal great-grandmother Viola, wife of Duke Casimir I of Opole.
Christopher Moore (Australian musician)
Christopher Moore is an Australian viola player.
He is the Principal Viola of the Melbourne Symphony Orchestra and was previously Principal Viola of Australian Chamber Orchestra.
Together with Richard Tognetti and Australian Chamber Orchestra Moore was nominated for the 2010 ARIA Award for Best Classical Album for the album" Mozart Violin Concertos".
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.
Prince Louis, Count of Trani
Prince" Louis" Maria of Bourbon- Two Sicilies, Count of Trani( 1 August 1838, Naples – 8 June 1886, Paris) was the eldest son of Ferdinand II of the Two Sicilies and his second wife Archduchess Maria Theresa of Austria.
His maternal grandparents were Archduke Charles, Duke of Teschen and Princess Henrietta of Nassau- Weilburg, Duchess of Teschen.
The Duke of Teschen was a son of Leopold II, Holy Roman Emperor.
The Duchess of Teschen was a great- granddaughter of Anne, Princess Royal and Princess of Orange, herself a daughter of George II of the United Kingdom.
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.
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.

Question: Who is Viola Of Teschen's mother-in-law?
Answer: Judith of Habsburg