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.
Blanche of Burgundy, Countess of Savoy
Bianca of Burgundy (1288 – July 1348), was a Countess consort of Savoy, daughter of Robert II, Duke of Burgundy, and Agnes of France.
She married in 1307 Edward, Count of Savoy.
She was mother of Joan of Savoy.
In 1346 and 1347, she was an influence at the court of her nephew, Amadeus VI to pursue closer alliances with Burgundy to offset the pending sale of the Dauphiné to France.
This led to his brief engagement with Joan of Burgundy, daughter of Philip of Burgundy and Joan I, Countess of Auvergne.
She died July 1348, perhaps from the Black Death.
Sibylla of Burgundy, Duchess of Burgundy
Sybilla of Burgundy( 1065 – 1103), was a French noble, Duchess consort of Burgundy by marriage to Eudes I, Duke of Burgundy.
She was a daughter of William I, Count of Burgundy and Stephanie.
She was married to Eudes I, Duke of Burgundy in 1080.
Children:
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.
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.
Edward, Count of Savoy
Edward (1284–1329), surnamed the Liberal, was the Count of Savoy from 1323 to 1329.
He was the son of Amadeus V, Count of Savoy, and his first wife Sybille of Bâgé.
Edward was born at Baugé.
He was married to Blanche (Bianca) of Burgundy, daughter of Robert II, Duke of Burgundy and Agnes of France, Duchess of Burgundy.
They had a daughter, Joan, who married John III the Good, duke of Brittany.
In 1325, Edward was attacked at Varey by Guigues VIII of Viennois and Amadeus III of Geneva as he was besieging Varey castle.
Guigues won the battle and Edward barely escaped.
In 1327, the residents of Maurienne revolted against their bishop-prince.
The bishop asked Edward for help, and Edward agreed,
provided that he gain the administrative control of the diocese.
The bishop consented, and was restored.
That same year, the bishop of Sion refused to pay him homage, which had been the custom since the time of Peter II, Count of Savoy.
From then on, the bishop and the count paid each other homage on the bridge of Morge.
In 1328, he had wooden aqueducts built to bring fresh water directly into the courtyard of the castle at Chambéry.
His death in 1329 was unexpected, and left the county to his brother, Aymon.
Joan III, Countess of Burgundy
Joan III of Burgundy( 1/2 May 1308 – 10/15 August 1347), also known as Joan of France was a reigning Countess of Burgundy and Artois in 1330 – 1349, She was also Duchess of Burgundy by marriage to Odo IV, Duke of Burgundy.
She was the eldest daughter of King Philip V of France and Countess Joan II of Burgundy.
Isabella of Bourbon
Isabella of Bourbon, Countess of Charolais( 1434 – 25 September 1465) was the second wife of Charles the Bold, Count of Charolais and future Duke of Burgundy.
She was a daughter of Charles I, Duke of Bourbon and Agnes of Burgundy, and the mother of Mary of Burgundy, heiress of Burgundy.
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.
Florine of Burgundy
Florine of Burgundy( 1083–1097) was a French crusader.
She was the daughter of Eudes I, Duke of Burgundy and Sybilla of Burgundy.
Her maternal grandfather was William I, Count of Burgundy.
Florine was married to Sweyn the Crusader, a son of Sweyn II of Denmark.

Question: Who is the mother-in-law of Blanche Of Burgundy, Countess Of Savoy?