Lyon Cohen
Lyon Cohen( 1868–1937) was a Polish- born Canadian businessman and a philanthropist.
He was the grandfather of singer/ poet Leonard Cohen.
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.
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
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.
John Westley
Rev. John Westley( 1636 – 78) was an English nonconformist minister.
He was the grandfather of John Wesley( founder of Methodism).
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.
Djoser
Djoser (also read as Djeser and Zoser) was an ancient Egyptian pharaoh of the 3rd dynasty during the Old Kingdom and the founder of this epoch.
He is also known by his Hellenized names Tosorthros (from Manetho) and Sesorthos (from Eusebius).
He was the son of king Khasekhemwy and queen Nimaathap, but whether he also was the direct throne successor is still unclear.
Most Ramesside Kinglists name a king "Nebka" before him, but since there are still difficulties in connecting that name with contemporary Horus names, some Egyptologists question the received throne sequence.
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.
Abd al-Muttalib
Abd al- Muttalib Shaybah ibn Hashim( c. 497 – 578) was the grandfather of Islamic prophet Muhammad.
Sekhemkhet
Sekhemkhet (also read as Sechemchet) was an ancient Egyptian king (pharaoh) of the 3rd dynasty during the Old Kingdom.
His reign is thought to have been from about 2648 BC until 2640 BC.
He is also known under his later traditioned birth name Djoser-tety and under his Hellenized name Tyreis (by Manetho; derived from "Teti" in the Abydos king list).
He was probably the brother or eldest son of king Djoser.
Little is known about this king, since he ruled for only a few years.
However, he erected a step pyramid at Saqqara and left behind a well known rock inscription at Wadi Maghareh (Sinai Peninsula).

Question: Who is Sekhemkhet's paternal grandfather?
Answer: Khasekhemwy