Johny Schleck
Johny Schleck (born November 22, 1942) is a former professional cyclist from Luxembourg.
Between 1965 and 1974 Schleck was a professional cyclist.
He participated in the Tour de France eight times (1965-1968 and 1970-1973).
From 1965 until 1968, he rode in the "Pelforth - Sauvage - Lejeune" team, and in the "Bic"-team from 1969 until the end of his career.
Johny rode the Tour de France at the service of 1968 winner Jan Janssen and 1973 winner Luis Ocaña, and also managed to finish in the top 20 of the general classification twice: 19th in 1970 and 20th in 1967.
He won a stage in the 1970 Vuelta a España and the Luxembourg National Championships.
Johnny's father, Auguste Schleck, also contested events in the 1920s.
He also competed in the individual road race at the 1964 Summer Olympics.
Schleck is married and has three sons, two of them are professional cyclists: Fränk (born 1980) and Andy (born 1985).
Lyon Cohen
Lyon Cohen( 1868–1937) was a Polish- born Canadian businessman and a philanthropist.
He was the grandfather of singer/ poet Leonard Cohen.
Andy Schleck
Andy Raymond Schleck (born 10 June 1985) is a Luxembourgish former professional road bicycle racer.
He won the 2010 Tour de France, being awarded it retroactively in February 2012 after Alberto Contador's hearing at the Court of Arbitration for Sport.
He has also been the runner-up at the Tour twice; in 2009 and 2011.
He is the younger brother of Fränk Schleck, also a professional rider between 2003 and 2016.
Their father Johny Schleck rode the Tour de France and Vuelta a España between 1965 and 1974.
Fujiwara no Nagara
, also known as Fujiwara no Nagayoshi, was a Japanese statesman, courtier and politician of the early Heian period.
He was the grandfather of Emperor Yōzei.
John Westley
Rev. John Westley( 1636 – 78) was an English nonconformist minister.
He was the grandfather of John Wesley( founder of Methodism).
Guillaume Wittouck
Guillaume Wittouck( 1749- 1829) was a Belgian lawyer and High Magistrate.
He was the Grandfather of industrialist Paul Wittouck.
Prithvipati Shah
Prithvipati Shah( ?–1716) was the king of the Gorkha Kingdom in the Indian subcontinent, present- day Nepal.
He was the grandfather of Nara Bhupal Shah.
Henry Bryant (naturalist)
Henry Bryant( May 12, 1820 – February 2, 1867) was an American physician and naturalist.
He was the grandfather of Henry Bryant Bigelow.
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.
Abd al-Muttalib
Abd al- Muttalib Shaybah ibn Hashim( c. 497 – 578) was the grandfather of Islamic prophet Muhammad.

Question: Who is Andy Schleck's paternal grandfather?
Answer: Auguste Schleck