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.
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.
Kwan Sai Hung
Kwan Sai Hung( born 1920) is the subject of the books" Chronicles of Tao" and is a Taoist Monk from the Zheng Yi sect of Taoism from the Huashan monastery.
He is also a martial arts master.
Ong Sai Hung
Ong Sai Hung( born 21 February 1999 in Perlis) is a Malaysian professional squash player.
He attended SJKC Chung Hwa Jitra.
As of October 2019, he was ranked number 174 in the world.
He has competed in the main draw of multiple professional PSA tournaments.
He has represented Malaysia internationally.
David Stainer
David Stainer( born 4 May 1978) is an English quizzer.
He was born in Exeter and studied philosophy, politics and economics at Oriel College, Oxford.
He works as a solicitor in the City of London.
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.
Miloš Zličić
Miloš Zličić( born 29 December 1999) is a Serbian football forward.
He is a younger brother of Lazar Zličić.
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.

Question: Who is younger, David Stainer or Ong Sai Hung?
Answer: Ong Sai Hung