Elizabeth FitzHugh
Elizabeth FitzHugh( 1455/65- before 10 July 1507) was an English noblewoman.
She is best known for being the grandmother of Catherine Parr, sixth queen consort to Henry VIII, and her siblings Anne Herbert, Countess of Pembroke, and William Parr, 1st Marquess of Northampton.
Mona Hopton Bell
Mona Hopton Bell( 1867- 1940) was a British artist, best known for her portraits of civic figures.
She was the grandmother of the painter Jean H. Bell.
Hannah Arnold
Hannah Arnold, also known as Hannah Waterman King, was the grandmother of Benedict Arnolds children.
Margaret of Bohemia, Duchess of Bavaria
Margaret of Bohemia( 1313–1341) was the daughter of King John of Bohemia by his first wife Elisabeth of Bohemia( 1292–1330).
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.
Anne of Bohemia (1290–1313)
Anne of Bohemia( 1290 –1313) was the eldest surviving daughter of Wenceslaus II of Bohemia and Poland and his first wife Judith of Habsburg.
Her siblings included Elisabeth of Bohemia and Wenceslaus III of Bohemia.
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.
Charles IV, Holy Roman Emperor
Charles IV (14 May 1316 – 29 November 1378), born Wenceslaus, was the first King of Bohemia to become Holy Roman Emperor.
He was a member of the House of Luxembourg from his father's side and the Czech House of Přemyslid from his mother's side; he emphasized the latter due to his lifelong affinity for the Czech side of his inheritance, and also because his direct ancestors in the Přemyslid line included two saints.
He was the eldest son and heir of King John of Bohemia, who died at the Battle of Crécy on 26 August 1346.
His mother, Elizabeth of Bohemia, was the sister of King Wenceslas III, the last of the male Přemyslid rulers of Bohemia.
Charles inherited the County of Luxembourg from his father and was elected king of the Kingdom of Bohemia.
On 2 September 1347, Charles was crowned King of Bohemia.
On 11 July 1346, the prince-electors chose him as King of the Romans ("rex Romanorum") in opposition to Emperor Louis IV.
Charles was crowned on 26 November 1346 in Bonn.
After his opponent died, he was re-elected in 1349 and crowned King of the Romans.
In 1355, he was crowned King of Italy and Holy Roman Emperor.
With his coronation as King of Burgundy in 1365, he became the personal ruler of all the kingdoms of the Holy Roman Empire.
Catherine of Bohemia
Catherine of Bohemia (19 August 1342 – 26 April 1395) was Electress of Brandenburg, the second daughter of Holy Roman Emperor Charles IV and Blanche of Valois.
Catherine was born on 19 August 1342, the third child and second surviving daughter of Charles IV, Holy Roman Emperor, and his first wife Blanche of Valois.
On 13 July 1356, Catherine married Rudolf IV, Duke of Austria.
The marriage was a political one arranged by her father to make peace with Austria.
Rudolph died after nine years of childless marriage.
On 19 March 1366, Catherine married Otto V, Duke of Bavaria.

Question: Who is the paternal grandmother of Catherine Of Bohemia?
Answer: Elizabeth of Bohemia