Kaya Alp
Kaya Alp was, according to Ottoman tradition, the son of Kızıl Buğa and the father of Suleyman Shah, who was, in turn, the grandfather of Ertuğrul, and the great grandfather of the Ottoman Empire founder, Osman I.
Lyon Cohen
Lyon Cohen( 1868–1937) was a Polish- born Canadian businessman and a philanthropist.
He was the grandfather of singer/ poet Leonard Cohen.
Fred Le Deux
Frederick" Fred" Le Deux( born 4 December 1934) was an Australian rules footballer who played with Geelong in the Victorian Football League( VFL).
He is the grandfather of Tom Hawkins.
Henry Krause
Henry J." Red" Krause, Jr.( August 28, 1913 – February 20, 1987) was an American football offensive lineman in the National Football League for the Brooklyn Dodgers and the Washington Redskins.
He played college football at St. Louis University.
He is the grandfather of Jennifer Krause
He is the great grandfather of Payton Hoeing
Tiye
Tiye (c. 1398 BC – 1338 BC, also spelled Taia, Tiy and Tiyi) was the daughter of Yuya and Tjuyu.
She became the Great Royal Wife of the Egyptian pharaoh Amenhotep III.
She was the mother of Akhenaten and grandmother of Tutankhamun.
In 2010, DNA analysis confirmed her as the mummy known as "The Elder Lady" found in the tomb of Amenhotep II (KV35) in 1898.
John Mackay (poet)
John Mackay( 1656–1754), known as( The Blind Piper), was a Scottish Gaelic poet and composer, and the grandfather of William Ross.
Abd al-Muttalib
Abd al- Muttalib Shaybah ibn Hashim( c. 497 – 578) was the grandfather of Islamic prophet Muhammad.
John Westley
Rev. John Westley( 1636 – 78) was an English nonconformist minister.
He was the grandfather of John Wesley( founder of Methodism).
Zhao Shoushan
Zhao Shoushan( 12 November 1894 – 20 June 1965) was a KMT general and later Chinese Communist Party politician.
He is the grandfather of Zhao Leji.
Nebetah
Nebetah was one of the daughters of Ancient Egyptian pharaoh Amenhotep III of the 18th dynasty and his Great Royal Wife Tiye.
She was a younger sister of Akhenaten.

Question: Who is Nebetah's maternal grandfather?
Answer: Yuya