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.
Pheidon I
Pheidon I (Greek: Φείδων'A) was a king of Argos in the 8th century BC, and seems to have been a son of Temenus, a great-great-grandson of Heracles.
He is often confused with another king of Argos also named Pheidon, who was probably one of his descendants.
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.
John Westley
Rev. John Westley( 1636 – 78) was an English nonconformist minister.
He was the grandfather of John Wesley( founder of Methodism).
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
Lyon Cohen
Lyon Cohen( 1868–1937) was a Polish- born Canadian businessman and a philanthropist.
He was the grandfather of singer/ poet Leonard Cohen.
Temenus
In Greek mythology, Temenus ("Tḗmenos") was a son of Aristomachus and brother of Cresphontes and Aristodemus.
Temenus was a great-great-grandson of Heracles and helped lead the fifth and final attack on Mycenae in the Peloponnese.
He became King of Argos.
He was the father of Ceisus, Káranos, Phalces, Agraeus, and Hyrnetho.
Káranos was the first king of the ancient Greek kingdom of Macedonia and founder of the royal Macedonian dynasty–the Temenid or Argead dynasty–which culminated in the sons of Alexander the Great five centuries later.
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.
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.
Abd al-Muttalib
Abd al- Muttalib Shaybah ibn Hashim( c. 497 – 578) was the grandfather of Islamic prophet Muhammad.

Question: Who is Pheidon I's paternal grandfather?
Answer: Aristomachus