Filip Arsenijević
Filip Arsenijević( born 2 September 1983) is a Serbian footballer who plays for TSC Bačka Topola.
He is older brother of Nemanja Arsenijević.
Khom Ratanakmony
Khom Ratanakmony( born 3 November 1982 in Phom Penh) is a Cambodian judoka who competes in the men's 60 kg category.
At the 2012 Summer Olympics he was defeated in the second round.
Allan Lawrie
Gordon Allan Lawrie (24 May 1885 – 10 May 1915) was a Scottish professional football forward who played in the Scottish League for Aberdeen.
Phat Wilson
Gordon Allan" Phat" Wilson( December 29, 1895 – July 26, 1970) was a Canadian amateur ice hockey forward who won the Allan Cup three times as a member of the Port Arthur Bearcats.
Regarded as one of the top amateur players of his time, Wilson was inducted into the Hockey Hall of Fame in 1963.
Gord Wilson
Gordon Allan Wilson( born August 13, 1932) is a retired professional ice hockey player who played two games in the National Hockey League.
He played with the Boston Bruins.
Gordon Allan
Gordon Allan( born 3 April 1998) is an Australian Paralympic cyclist who has won silver medal at 2019 World Para Track Championships.
His aim is to compete at the 2020 Toyko Paralympics.
François van der Merwe
François van der Merwe is a South African professional rugby union player.
He plays at lock for Lyon Olympique in the Top 14.
He is older brother of Flip van der Merwe
Allen Sangree
Allen Luther Sangree, also as Allan or Alan( c. 1878 – March 2, 1924) was an American sports writer and war journalist.
Jovan Markovski
Jovan Markovski( born March 28, 1988) is a Macedonian professional basketball small forward who last played for Vardar.
He is older brother of Gorjan Markovski who is also basketball player and plays for Feni Industries
Ralph Allan Sampson
Prof Ralph Allan( or Allen) Sampson FRS FRSE LLD( 25 June 1866 – 7 November 1939) was a British astronomer.

Question: Who is older, Khom Ratanakmony or Gordon Allan?
Answer: Khom Ratanakmony