Karl Friedrich, Prince of Hohenzollern
Karl Friedrich, Prince of Hohenzollern( born 20 April 1952) is the eldest son of the late Friedrich Wilhelm, Prince of Hohenzollern and Princess Margarita of Leiningen.
He became head of the Princely House of Hohenzollern, the Roman Catholic Swabian branch of the dynasty, upon his father's death on 16 September 2010.
Tjuyu
Tjuyu( sometimes transliterated as Thuya or Thuyu) was an Egyptian noblewoman and the mother of queen Tiye, and the wife of Yuya.
She is the grandmother of Akhenaten, and great grandmother of Tutankhamun.
Prince Ferdinand of Hohenzollern
Prince Ferdinand of Hohenzollern( Ferdinand Maria Fidelis Leopold Meinrad Valentin; born 14 February 1960) is the youngest of three children of Friedrich Wilhelm, Prince of Hohenzollern and his wife Princess Margarita of Leiningen.
Princess Margarita of Baden
Princess Margarita of Baden ("Margarete Alice Thyra Viktoria Marie Louise Scholastica"; 14 July 1932 – 15 January 2013) was the only daughter of Berthold, Margrave of Baden, and Princess Theodora of Greece and Denmark.
She was the eldest niece of Queen Elizabeth II and Prince Philip, Duke of Edinburgh.
Princess Theodora of Greece and Denmark (1906–1969)
Princess Theodora of Greece and Denmark (30 May 1906 – 16 October 1969) was the second child and daughter of Prince Andrew of Greece and Denmark and Princess Alice of Battenberg, and the second eldest sister of Prince Philip, Duke of Edinburgh.
Philipp, Prince of Hohenlohe-Langenburg
Philipp, 10th Prince of Hohenlohe- Langenburg( Philipp Gottfried Alexander; born 20 January 1970 in Crailsheim, West Germany), is the middle child and only son of Kraft, Prince of Hohenlohe- Langenburg and his first wife, Princess Charlotte of Croÿ.
Upon the death of his father in 2004, he became the titular Prince of Hohenlohe- Langenburg.
He is a grandson of Princess Margarita of Greece and Denmark, and a grandnephew of Prince Philip, Duke of Edinburgh.
Anne, Princess Royal of the United Kingdom is one of his godmothers.
Hannah Arnold
Hannah Arnold, also known as Hannah Waterman King, was the grandmother of Benedict Arnolds children.
Princess Margarita of Greece and Denmark
Princess Margarita of Greece and Denmark( 18 April 1905 – 24 April 1981) was the eldest child and daughter of Prince Andrew of Greece and Denmark and Princess Alice of Battenberg.
She was the first great- great- grandchild of Queen Victoria, and the eldest sister of Prince Philip, Duke of Edinburgh.
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.
Kaoru Hatoyama
After the elections of 2009, she became more widely known as the grandmother of Prime Minister Yukio Hatoyama and his politician brother Kunio Hatoyama.

Question: Who is Princess Margarita Of Baden's maternal grandmother?
Answer: Princess Alice of Battenberg