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.
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.
Ludvig Oskar
Ludvig Oskar( January 5, 1874 in Kuusalu, Estonia — June 1, 1951 in Oldenburg, Germany) was an Estonian painter.
He started his art studies in 1903, while artist Ants Laikmaa opened his studio school.
In addition to studio classes Oskar took watercolor classes with Karl Winkler.
After studies abroad he taught at Tallinna Reaalkool( Science High School of Tallinn).
Among his students was Evald Okas.
In 1926 he decided to fix Pika Jala Väravatorn( the gate tower named Long Leg at the medieval city wall of Tallinn).
For this purpose he took a bank loan of half a million cents( 5,000 Estonian kroons) and reconstructed the tower.
Oskar demolished the old mantel chimney and built to each floor ovens and stoves.
Vadim Vlasov
Vadim Nikolayevich Vlasov( born 19 December 1980) is a former Russian football player.
He is a younger brother of Dmitri Vlasov.
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.
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.
Hayrettin Demirbaş
Hayrettin Demirbaş( born 26 June 1963) is a Turkish former international footballer and current coach.
He spent majority of his career playing at Galatasaray.
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.

Question: Who is younger, Hayrettin Demirbaş or Ludvig Oskar?
Answer: Hayrettin Demirbaş