Hannah Arnold
Hannah Arnold, also known as Hannah Waterman King, was the grandmother of Benedict Arnolds children.
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.
Wenceslaus of Płock
Wenceslaus( Wańko) of Płock( Masovian dialect:" Wańko Puocky"; 1293/97 – 23 May 1336), was a Polish prince member of the House of Piast, Duke of Płock since 1313 and vassal of Bohemia from 1329.
He was the third son of Bolesław II of Płock but the only born from his second marriage with Kunigunde, daughter of King Ottakar II of Bohemia.
He was probably named after his maternal uncle, King Wenceslaus II of Bohemia.
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.
Janusz II of Płock
Janusz II of Płock (pl: "Janusz II płocki"; ca.
1455 - 16 February 1495), was a Polish prince member of the House of Piast in the Masovian branch.
He was a Duke of Warsaw, Nur, Łomża, Liw, Ciechanów, Wyszogród and Zakroczym during 1454-1471 jointly with his brothers (under regency until 1462), Duke of Płock, Płońsk, Zawkrze and Wizna during 1462-1471, and after the division of the paternal domains in 1471, sole ruler over Ciechanów and Łomża, since 1475 also ruler over Płock, Płońsk, Zawkrze and Wizna, since 1484 ruler over Błonie, Tarczyn and Kamieniec, since 1489 ruler over Wyszogród.
He was the eight and youngest son of Bolesław IV of Warsaw and Barbara Olelkovna of Slutsk-Kapy, a Lithuanian princess, (granddaughter of Vladimir Olgerdovich).
He was born posthumously, because his father died on 10 September 1454.
Diana Guardato
Diana Guardato was a member of the aristocratic Patrician Guardato family, and had three children with King Ferdinand I: Diana Guardato is the 16th- Great Grandmother of His Royal Highness Albert II of Belgium, 15th- Great Grandmother of His Majesty Juan Carlos
I of Spain, 17th- Great Grandmother of Philippe of Belgium, 14th- Great Grandmother of His Majesty Manuel II of Portugal, 16th- Great Grandmother of Grand Duke Henri, as well as many others.
Gülbahar Hatun (wife of Mehmed II)
Gülbahar Hatun( 1432 – 1492) was the consort of Sultan Mehmed II, and mother of Sultan Bayezid II of the Ottoman Empire and the grandmother of Selim I.
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.
Bolesław IV of Warsaw
Bolesław IV of Warsaw (also known as Boleslaus IV of Warsaw, ; – 10 September 1454), was a Polish prince member of the House of Piast in the Masovian branch.
He was Duke of Warsaw during 1429–1454 (under regency until 1436) and sovereign Duke of Podlachia in 1440–1444.
He was the second son of Bolesław Januszowic (in turn second son of Janusz I of Warsaw) and Anna Feodorovna of Ratnie, a Lithuanian princess (granddaughter of Algirdas).
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 Janusz Ii Of Płock's paternal grandmother?
Answer: Anna Feodorovna