Hüma Hatun
Hüma Hatun (1410 ‒ September 1449) was the fourth wife of Ottoman Sultan Murad II and mother of Mehmed II and the grandmother of Bayezid II.
Emine Hatun
Emine Hatun was the principal consort of Sultan Mehmed I of the Ottoman Empire.
She was the mother of Sultan Murad II, and the grandmother of Sultan Mehmed II.
Hannah Arnold
Hannah Arnold, also known as Hannah Waterman King, was the grandmother of Benedict Arnolds children.
Anne Denman
Anne Denman( 1587–1661) was born in Olde Hall, Retford, Nottinghamshire.
Through a fortunate second marriage with Thomas Aylesbury, she became the grandmother of Lady Anne Hyde, Duchess of York and great- grandmother of Queen Mary II and Queen Anne.
Mehmed I
Mehmed I (1379 – 26 May 1421), also known as Mehmed Çelebi ("the noble-born") or Kirişçi (from Greek "Kyritzeslord's son"), was the Ottoman Sultan from 1413 to 1421.
The fourth son of Sultan Bayezid I and Devlet Hatun, he fought with his brothers over control of the Ottoman realm in the Ottoman Interregnum (1402–1413).
Starting from the province of Rûm he managed to bring first Anatolia
and then the European territories (Rumelia)
under his control, reuniting the Ottoman state by 1413, and ruling it until his death in 1421.
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.
Mihaloğlu Mehmed Bey
Mihaloğlu Mehmed Bey was a member of the Mihaloğulları family and one of the most important frontier warlords ("uch bey") of the Ottoman Balkans during the last phase of the civil war of the Ottoman Interregnum (1403–1413), and during the early years of Murad II's reign.
Murad II
Murad II's reign was marked by the long war he fought against the Christian feudal lords of the Balkans and the Turkish beyliks in Anatolia, a conflict that lasted 25 years.
He was brought up in Amasya, and ascended the throne on the death of his father Mehmed I.
His mother was Valide Sultan Emine Hatun (daughter of Suleyman Bey, ruler of Dulkadirids), his father's third consort.
Their marriage served as an alliance between the Ottomans and this buffer state.
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 Murad Ii's paternal grandmother?
Answer: Devlet Hatun