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.
Aguinaldo Tati
Aguinaldo Tati( born 10 August 1990) is an Angolan handball player for Primeiro de Agosto and the Angolan national team.
He represented Angola at the 2019 World Men's Handball Championship.
Alexey Troitsky
Alexey Alexeyevich Troitsky, or Alexei, Troitzky, or Troitzki( March 14, 1866 – August 1942) is considered to have been one of the greatest composers of chess endgame studies.
He is widely regarded as the founder of the modern art of composing chess studies.
Troitsky died of starvation during World War II at the siege of Leningrad, where his notes were destroyed.
One of his most famous works involves analyzing the endgame with two knights versus a pawn, see Troitsky line.
John Nunn analyzed this endgame with an endgame tablebase and stated that" the analysis of Troitsky ... is astonishingly accurate".
Alexey Shaydulin
Alexey Shaydulin or Alexei Shajdulin( b) is a Bulgarian amateur boxer best known to win a silver medal at the World Championships 2005 and a bronze medal at the European Championships 2006 at featherweight.
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
Robin Kačaniklić
Robin Kačaniklić( born 25 August 1988) is a Swedish footballer of Serbian and Macedonian descent who plays for Real Åstorp FF as a Midfielder.
He is older brother to the Hammarby IF and former Swedish national team player Alexander Kačaniklić.
Alexei Mateevici
Alexe( or Alexei) Mateevici( or; March 27, 1888 – August 24, 1917) was one of the most prominent Romanian poets in Bessarabia.
Alexei Rios
Alyaksey Ryas or Alexei Manuelevich Rios( born 14 May 1987) is a Belarusian professional footballer of partly Peruvian and Spanish descent currently playing for BATE Borisov.
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
Alexei Sidorov
Alexei Sidorov, sometimes transliterated as Aleksei Sidorov,( August 22, 1968 – October 9, 2003), a Russian journalist and editor- in- chief for the" Tolyatinskoye ObozreniyeTogliatti Review") in Tolyatti, Samara Oblast, Russia, was known for his investigations into the Russian mafia.
Alexei was killed in what was suspected to be an organized crime contract killing.

Question: Who is older, Aguinaldo Tati or Alexei Sidorov?
Answer: Alexei Sidorov