Vadim Vlasov
Vadim Nikolayevich Vlasov( born 19 December 1980) is a former Russian football player.
He is a younger brother of Dmitri Vlasov.
Zoran Švonja
Zoran Švonja( born 4 October 1995) is a Serbian football midfielder who plays for Bulgarian club Lokomotiv Sofia.
He is younger brother of Goran Švonja.
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.
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.
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.
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.
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.
Mutamba Kabongo
Mutamba Kabongo( born 9 December 1970) is a former footballer from the Democratic Republic of the Congo who played as a defender.
He was an international for DR Congo and played at the 1996 African Cup of Nations and 1998 African Cup of Nations.
James Southerton
James Southerton( 16 November 1827 – 16 June 1880) was a professional cricketer who played first- class cricket between 1854 and 1879.
After a slow start, he became along with Alfred Shaw the greatest slow bowler of the 1870s.

Question: Who is younger, James Southerton or Mutamba Kabongo?
Answer: Mutamba Kabongo