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.
Kelvin Gastelum
Kelvin Gastelum( born October 24, 1991) is an American professional mixed martial artist who competes for the UFC.
He has competed for the company since he won" The Ultimate Fighter 17".
As of November 04, 2019, he is# 7 in the UFC middleweight rankings.
Jacob Mulder
Jacob Mulder( born 11 August 1995) is an Australian- born Irish cricketer.
He made his Twenty 20 International( T20I) debut against Hong Kong on 5 September 2016.
He made his One Day International( ODI) debut against the United Arab Emirates on 4 March 2017.
He made his first- class debut for Northern Knights in the 2017 Inter- Provincial Championship on 1 August 2017.
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.
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.
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.
Miloš Zličić
Miloš Zličić( born 29 December 1999) is a Serbian football forward.
He is a younger brother of Lazar Zličić.
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.

Question: Who is younger, Jacob Mulder or Kelvin Gastelum?
Answer: Jacob Mulder