Archduchess Auguste Ferdinande of Austria
Archduchess Auguste Ferdinande of Austria( 1 April 1825, Florence – 26 April 1864, Munich), was the daughter of Leopold II, Grand Duke of Tuscany, and his first wife, Maria Anna of Saxony.
She married Prince Luitpold of Bavaria, who later became the Prince Regent of Bavaria after her death.
Renata of Lorraine
Renata of Lorraine (20 April 1544 – 22 May 1602) was by birth a member of the House of Lorraine and by marriage Duchess of Bavaria.
Born in Nancy, France, she was the second child and eldest daughter of Francis I, Duke of Lorraine and Christina of Denmark.
Her paternal grandparents were Antoine, Duke of Lorraine and Renée of Bourbon-Montpensier and her maternal grandparents were Christian II of Denmark and Isabella of Austria.
Countess Palatine Maria Anna of Zweibrücken-Birkenfeld
Countess Palatine Maria Anna of Zweibrücken-Birkenfeld-Bischweiler (18 July 1753 – 4 February 1824) was Countess Palatine of Birkenfeld-Gelnhausen and Duchess in Bavaria, through her marriage to Duke Wilhelm in Bavaria.
Maria Anna was a great-grandmother of Empress Elisabeth of Austria through his son Duke Pius August in Bavaria
Maria Anna of Bavaria (1574–1616)
Maria Anna of Bavaria (18 December 1574 – 8 March 1616), was German princess member of the House of Wittelsbach by birth and Archduchess consort of Inner Austria by marriage.
Born in Munich, she was the fourth child and second (but eldest surviving) daughter of William V, Duke of Bavaria and Renata of Lorraine.
Maria Anna Katharina Rutowska
Maria Anna Katharina Rutowska (1706–1746) was a Polish noblewoman.
She was the illegitimate daughter of Polish king Augustus II the Strong and his mistress, the Turk "Fatima or Fatime", later renamed Maria Anna of Spiegel.
Duchess Maria Anna Josepha of Bavaria
Maria Anna Josepha of Bavaria(" Maria Anna Josepha Augusta"; 7 August 1734 – 7 May 1776) was a Duchess of Bavaria by birth and Margravine of Baden- Baden by marriage.
She was nicknamed the" savior of Bavaria".
She is also known as" Maria Josepha" and is sometimes styled as a" princess of Bavaria".
Archduchess Maria Anna of Austria (1610–1665)
Archduchess Maria Anna of Austria( German:" Maria Anna von Habsburg, Erzherzogin von Österreich", also known as" Maria Anna von Bayern" or" Maria- Anna, Kurfürstin von Bayern"; 13 January 1610 – 25 September 1665), was a German regent, Electress of Bavaria by marriage to Maximilian I, Elector of Bavaria, and co-regent of the Electorate of Bavaria during the minority of her son Ferdinand Maria, Elector of Bavaria from 1651 to 1654.
Archduchess Eleanor of Austria (1582–1620)
Eleanor of Austria( 25 September 1582 – 28 January 1620), was an Austrian princess and a member of the House of Habsburg.
She was the daughter of Archduke Charles II of Austria, the son of Emperor Ferdinand I; and of Maria Anna of Bavaria.
Her elder brother Archduke Ferdinand succeeded as Holy Roman Emperor in 1619.
Maria Anna of Bavaria (1805–1877)
Princess Maria Anna of Bavaria (27 January 1805 – 13 September 1877) was Queen Consort of Saxony from 1836 to 1854.
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.

Question: Who is Maria Anna Of Bavaria (1574–1616)'s maternal grandmother?
Answer: Christina of Denmark