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.
Infante Alexandre of Portugal
Infante Alexandre(" Alexandre Francisco José António Nicolau") was a Portuguese" infante", the last child of John V, King of Portugal, and his wife Maria Anna of Austria.
Manuel, Prince of Portugal (1531–1537)
Manuel, Prince of Portugal( 11 November 1531 – 14 April 1537), was the Prince of Portugal from 1535 to his death in 1537.
He was the fifth child son of king John III of Portugal and Catherine of Austria.
In 1535, his father officially designated him as Prince of Portugal, taking the place of his eldest sister Infanta Maria Manuela.
However, after his premature death at five years old, his younger brother Infante Filipe became the next Prince of Portugal.
Archduchess Maria Anna of Austria (governor)
Archduchess Maria Anna of Austria(" Maria Anna Eleanor Wilhelmina Josepha"; 18 September 1718 in Vienna – 16 December 1744 in Brussels) was a member of the House of Habsburg who governed the Austrian Netherlands in the name of her elder sister, Empress Maria Theresa.
Maria Anna of Austria
Maria Anna of Austria (Maria Anna Josepha Antonia Regina; 7 September 1683 – 14 August 1754) was Queen consort of Portugal by marriage to King John V of Portugal.
She was Regent of Portugal from 1742 until 1750 during the illness of John V.
Infanta Maria Anna of Portugal (1843–1884)
Infanta Maria Ana of Portugal (or of Braganza; ; full name: "Maria Ana Fernanda Leopoldina Micaela Rafaela Gabriela Carlota Antónia Júlia
Vitória Praxedes Francisca de Assis Gonzaga")
(21 August 1843 – 5 February 1884) was a Portuguese "infanta" (princess), the eldest surviving daughter of Queen Maria II of Portugal and her King consort Ferdinand II of Portugal, a member of the House of Braganza.
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.
Archduchess Maria Anna of Austria (1770–1809)
Archduchess Maria Anna of Austria ("Maria Anna Ferdinanda Josepha Charlotte Johanna";
21 April 1770 – 1 October 1809) was an Archduchess of Austria by birth, and an Abbess at the Theresian Convent in Prague.
Maria II of Portugal
"Dona" Maria II (4 April 1819 – 15 November 1853) "the Educator"  or "the Good Mother" , reigned as Queen of Portugal from 1826 to 1828, and again from 1834 to 1853.
Born in Rio de Janeiro, she was the first child of Emperor Pedro I of Brazil and his first wife, Empress Maria Leopoldina, and thus a member of the House of Braganza.
One of the two surviving children born when Pedro was still heir apparent to Portugal, she inherited Portuguese titles and was placed in the line of succession to the former Portuguese throne, even after becoming a member of the Brazilian Imperial Family, from which she was excluded in 1835 after her definitive ascension to the Portuguese throne.
Princess Maria Josepha of Saxony (1867–1944)
Princess Maria Josepha of Saxony( 31 May 1867 – 28 May 1944) was the mother of Emperor Charles I of Austria and the fifth child of George of Saxony and Infanta Maria Anna of Portugal.

Question: Who is the maternal grandfather of Infanta Maria Anna Of Portugal (1843–1884)?
Answer: Pedro I