Hans Jacob Grøgaard
Hans Jacob Grøgaard (5 April 1764 – 22 March 1836) was a Norwegian parish priest and writer.
He served as a representative at the Norwegian Constituent Assembly in 1814.
Chantal Petitclerc
Chantal Petitclerc,( born December 15, 1969 in Saint- Marc- des- Carrières, Quebec) is a Canadian wheelchair racer and a Senator from Quebec.
Vadim Vlasov
Vadim Nikolayevich Vlasov( born 19 December 1980) is a former Russian football player.
He is a younger brother of Dmitri Vlasov.
Jack Bauer (cyclist)
Hans Jacob Bauer( born 7 April 1985) is a New Zealand professional road racing cyclist, who currently rides for UCI WorldTeam.
Bauer turned professional in 2010.
Ran Shantal
Ran Shantal( also" Shental" or" Chantal"; רן שנטל; born May 25, 1971) is an Israeli Olympic competitive sailor.
Hans s'Jacob
Hendrik Laurentius" Hans" s' Jacob( 5 April 1906, Driebergen- 29 March 1967, Leiden) was a Dutch politician.
Hans Jacob Ustvedt
Hans Jacob Neumann Ustvedt( 4 July 1903 – 26 January 1982) was a Norwegian medical doctor and broadcasting administrator.
He was a driving force of the doctors' resistance during World War II, had to flee to Sweden in 1942, and was leading the medical office at the Norwegian legation in Stockholm.
He was a professor of internal medicine at the University of Oslo from 1951 to 1962, and Director- General of the Norwegian Broadcasting Corporation( NRK) from 1962 to 1972.
Miloš Zličić
Miloš Zličić( born 29 December 1999) is a Serbian football forward.
He is a younger brother of Lazar Zličić.
Dmitri Varfolomeyev (footballer, born 1978)
Dmitri Nikolayevich Varfolomeyev( born 15 March 1978 in Leningrad) is a former Russian football player.
He is a younger brother of Sergei Varfolomeyev.
Roman Smishko
Roman Smishko is a retired Ukrainian professional footballer who played as a goalkeeper.
He is a younger brother of Ukrainian defender Bohdan Smishko.

Question: Who is younger, Hans Jacob Ustvedt or Chantal Petitclerc?
Answer: Chantal Petitclerc