Tsarevna Catherine Ivanovna of Russia
Tsarevna Catherine Ivanovna of Russia( 20 October 1691 – 14 June 1733) was a daughter of Tsar Ivan V and Praskovia Saltykova, eldest sister of Empress Anna of Russia and niece of Peter the Great.
By her marriage, she was a Duchess of Mecklenburg- Schwerin.
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.
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.
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.
Matryona Balk
Matryona Ivanovna Balk( née Modesta Mons; fl. 1718), was a Russian courtier.
She was a lady- in- waiting and confidant of Catherine I of Russia, Ober- Hofmeisterin of Tsarevna Catherine Ivanovna of Russia and sister of Anna Mons.
She was accused in 1718 for having assisted the empress in her love affair with Willem Mons.
Ivan V of Russia
Ivan V Alekseyevich (Russian: "Иван V Алексеевич", –) was a joint Tsar of Russia (with his younger half-brother Peter I) who co-reigned between 1682 and 1696.
Ivan was the youngest son of Alexis I of Russia by his first wife, Maria Miloslavskaya, while Peter was the only son of Alexis by his second wife, Natalya Naryshkina.
Ivan's reign was solely titular because he had serious physical and mental disabilities.
Hannah Arnold
Hannah Arnold, also known as Hannah Waterman King, was the grandmother of Benedict Arnolds children.
Abdul-Vahed Niyazov
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Tsarevna Praskovya Ivanovna of Russia
Praskovya Ivanovna (1694–1731) was a Russian tsarevna, daughter of Tsar Ivan V of Russia and Praskovia Saltykova.
She was the niece of Tsar Peter the Great and the sister of Empress Anna Ivanovna.
Princess Catherine Ivanovna of Russia
Princess Catherine Ivanovna of Russia( 12 July 1915( O.S.) – 13 March 2007) was a great- great- granddaughter of Tsar Nicholas I of Russia and a niece of King Alexander I of Yugoslavia.
She was the last member of the Imperial Family to be born before the fall of the dynasty.

Question: Who is the paternal grandmother of Tsarevna Praskovya Ivanovna Of Russia?
Answer: Maria Miloslavskaya