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.
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.
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.
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.
Hannah Arnold
Hannah Arnold, also known as Hannah Waterman King, was the grandmother of Benedict Arnolds children.
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.
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.
Taejo of Joseon
Taejo of Joseon (October 27, 1335 – May 24, 1408), born Yi Seong-gye, whose changed name is Yi Dan, was the founder and the first king of the Joseon dynasty of Korea reigning from 1392 to 1398, and the main figure in overthrowing the Goryeo Dynasty.
Taejo's father Yi Ja-chun was a minor Mongol official, but his ethnicity was Korean.
Taejo's mother Queen Uihye was originally Chinese from the Yantai-Weihai area of Shandong.
Taejo joined the Goryeo army and rose through the ranks, seizing the throne in 1392.
He abdicated in 1398 during the strife between his sons and died in 1408.
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 Jinan
Yi Bang-u, Grand Prince Jinan (1354 - 15 January 1394) (이방우 진안대군), was a Korean prince and the first-born son of King Taejo of Joseon Dynasty and his consort Queen Shinui.

Question: Who is the paternal grandmother of Prince Jinan?