Marie Jeanne Baptiste of Savoy-Nemours
Marie Jeanne Baptiste of Savoy- Nemours( 11 April 1644 – 15 March 1724) was born a Princess of Savoy and became the Duchess of Savoy by marriage.
First married by proxy to Charles of Lorraine in 1662, Lorraine soon refused to recognise the union and it was annulled.
She married Charles Emmanuel II, Duke of Savoy in 1665 who was her kinsman.
The mother of the future Victor Amadeus II of Sardinia who saw the elevation of the House of Savoy to kings, she styled herself as Madama Reale or Madame Royale.
She acted as Regent of Savoy from 1675 in the name of her son Victor Amadeus II, who was her husband's successor.
Her regency officially ended in 1680, but she maintained power until her son banished her from further influence in the state in 1684.
She left a considerable architectural legacy in Turin, and was responsible for the remodelling of the Palazzo Madama, which was her private residence.
At the time of her death she was the mother of the King of Sardinia as well as great grandmother of two other kings, Louis I of Spain and Louis XV of France.
Yolande Louise of Savoy
Yolande Louise of Savoy( 1487–1499), was a Duchess Consort of Savoy; married to Philibert II, Duke of Savoy.
Marie of Savoy, Duchess of Milan
Marie of Savoy (1411–1469) was a daughter of Amadeus VIII, Duke of Savoy (later the Antipope Felix V) and Mary of Burgundy.
She married Filippo Maria Visconti, the Duke of Milan in 1428.
They had no children.
Princess Catherine Beatrice of Savoy
Catherine Beatrice of Savoy( 6 November 1636, Turin, Piedmont – 27 August 1637) was a Princess of Savoy by birth.
She was the youngest daughter born to Victor Amadeus I, Duke of Savoy, and his French consort, Princess Christine Marie of France.
Anne Denman
Anne Denman( 1587–1661) was born in Olde Hall, Retford, Nottinghamshire.
Through a fortunate second marriage with Thomas Aylesbury, she became the grandmother of Lady Anne Hyde, Duchess of York and great- grandmother of Queen Mary II and Queen Anne.
Hannah Arnold
Hannah Arnold, also known as Hannah Waterman King, was the grandmother of Benedict Arnolds children.
Hubba bint Hulail
Hubba bint Hulail was the grandmother of Hashim ibn' Abd Manaf, thus the great- great- great- grandmother of the Islamic" Nabī"( Prophet) Muhammad ibn Abdullah.
Louisa Montagu Douglas Scott, Duchess of Buccleuch
Louisa Jane Montagu Douglas Scott, Duchess of Buccleuch and Queensberry( 26 August 1836 – 16 March 1912) was the daughter of James Hamilton, 1st Duke of Abercorn.
In 1884, she became the Duchess of Buccleuch and Duchess of Queensberry, the wife of William Henry Walter Montagu Douglas Scott, 6th Duke of Buccleuch& 8th Duke of Queensberry.
She was the paternal grandmother of Princess Alice, Duchess of Gloucester and of Marian Louisa, Lady Elmhirst, as well as the maternal great- grandmother of Prince William of Gloucester, Prince Richard, Duke of Gloucester and great- great- grandmother of Sarah, Duchess of York.
Amadeus VIII, Duke of Savoy
Amadeus VIII (4 September 1383 – 7 January 1451) was a Savoyard nobleman, the son of Amadeus VII, Count of Savoy and Bonne of Berry.
He was surnamed the Peaceful.
After the death of his father in 1391, his mother acted as a regent, because of his youth.
He was an antipope of the Catholic Church from 1439 to 1449 as Felix V, in opposition to Popes Eugene IV and Nicholas V.
Bona of Savoy
Bona of Savoy, Duchess of Milan( 10 August 1449 – 23 November 1503) was Duchess consort of Milan as the second spouse of Galeazzo Maria Sforza, Duke of Milan.
She served as regent of Milan during the minority of her son 1476 – 1481.

Question: Who is Marie Of Savoy, Duchess Of Milan's paternal grandmother?
Answer: Bonne of Berry