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 Muhammad Aiman of Brunei
Pengiran Muda Muhammad Aiman ibni Al- Muhtadee Billah( born 7 June 2015) is the second son and third child of Al- Muhtadee Billah, heir to the Sultan of Brunei, and his wife, Sarah, Crown Princess of Brunei.
Prince Muhammad Aiman is the grandson of the current sultan of Brunei, Hassanal Bolkiah.
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.
Al-Muhtadee Billah
Crown Prince Haji Al-Muhtadee Billah (born 17 February 1974) is the eldest son of Sultan Hassanal Bolkiah and his wife Princess Saleha binti Mohammad Alam.
He is the Crown Prince of Brunei Darussalam and is first in the line of succession to the Bruneian throne.
Al-Muhtadee Billah holds the position of senior minister of the Prime Minister's Office of Brunei, General of the Royal Brunei Armed Forces and Deputy Inspector General of the Royal Brunei Police Force.
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.
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.
Abdul Muntaqim
Pengiran Muda Abdul Muntaqim ibni Al- Muhtadee Billah( born 17 March 2007) is the oldest child and first son of Al- Muhtadee Billah, heir to the Sultan of Brunei, and his wife, Sarah, Crown Princess of Brunei.
He has a younger sister, Princess Muneerah Madhul, who was born in 2011.
The Prince is second- in- line to become Sultan of Brunei after his father Al- Muhtadee Billah.
His father is heir to Abdul Muntaqim's grandfather Sultan Haji Hassanal Bolkiah of Brunei.
In honour of the birth of the prince, a 19- gun salute was fired from the cannons on the grounds of Istana Nurul Iman, the official residence of the Sultan of Brunei.
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.
Hassanal Bolkiah
Hassanal Bolkiah (full name: Sultan Haji Hassanal Bolkiah Mu'izzaddin
Waddaulah ibni Al-Marhum Sultan Haji Omar '
Ali Saifuddien Sa'adul Khairi Waddien Sultan and Yang di-Pertuan of Brunei Darussalam; born 15 July 1946) is the 29th and current Sultan and Yang di-Pertuan of Brunei, as well as the Prime Minister of Brunei, making him one of the last absolute monarchs.
The eldest son of Sultan Omar Ali Saifuddien III and "Raja Isteri" (Queen)
Pengiran Anak Damit, he succeeded to the throne as the Sultan of Brunei, following the abdication of his father on 5 October 1967.
The sultan has been ranked among the wealthiest individuals in the world.
In 2008, "Forbes" estimated the sultan's total peak net worth at US $20 billion.
After Queen Elizabeth II, the sultan is the world's second longest-reigning current monarch.
On 5 October 2017, the sultan celebrated his Golden Jubilee to mark the 50th year of his reign on the throne.

Question: Who is the paternal grandmother of Al-Muhtadee Billah?
Answer: Pengiran Anak Damit