Markus Weissenberger
Markus Weissenberger( born March 8, 1975) is an Austrian former footballer who played as a midfielder.
He is a younger brother of former Austria international player Thomas Weissenberger.
Gabriel Florentín
César Gabriel Florentín( born 13 March 1999) is an Argentine professional footballer who plays as a midfielder for Argentinos Juniors.
Vadim Vlasov
Vadim Nikolayevich Vlasov( born 19 December 1980) is a former Russian football player.
He is a younger brother of Dmitri Vlasov.
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.
Alan Chipp
Alan Chipp( born 9 January 1937) is a former Australian rules footballer who played for the Fitzroy Football Club in the Victorian Football League( VFL).
He is a younger brother of politician Don Chipp.
D. J. Opperman
Diederik( or Dirk) Johannes Opperman, commonly referred to as D.J. Opperman( 29 September 1914 – 22 September 1985) was an Afrikaans poet.
He is considered to be one of the best known Afrikaans poets of the twentieth century.
Anton Shunto
Anton Shunto( born 31 May 1988) is a Belarusian professional footballer.
As of 2019, he plays for Molodechno.
He is a younger brother of Denis Shunto, who is a founder and former president of Krumkachy Minsk.
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.
Dirk Kempthorne
Dirk Arthur Kempthorne( born October 29, 1951) is an American politician who was the United States Secretary of the Interior from 2006 to 2009, serving under President George W. Bush.
A Republican, Kempthorne previously served as a United States Senator from Idaho from 1993 to 1999 and as the 30th Governor of Idaho from 1999 to 2006.
He is known for his conservative views, particularly on economic issues.
Kempthorne was first elected to public office as mayor of Boise in 1985, where he served for seven years.
Kempthorne serves as a co-chair of the Democracy Project at the Bipartisan Policy Center.
In November 2010, he was appointed president and CEO of the American Council of Life Insurers.

Question: Who is younger, Gabriel Florentín or Dirk Kempthorne?