Johannes Moreelse
Johannes Paulus Moreelse, or" Johan Pauwelszon Moreelse"( – October 1634), was a Dutch baroque painter belonging to the school of Utrecht Caravaggism during the Dutch Golden Age.
Miguel Pedrorena
Miguel Pedrorena, Sr. or Miguel de Pedrorena, Sr.( c. 1808–1850) was an early settler of San Diego, California.
Johan Backlund
Johan Backlund( born July 24, 1981) is a Swedish professional ice hockey goaltender.
He previously played in two National Hockey League( NHL) games with the Philadelphia Flyers during the 2009 – 10 season.
Joseph Gales
Joseph
Gales Jr.( June 15, 1786 – July 21, 1860) was an American journalist and the ninth mayor of Washington, D.C., from 1827 to 1830.
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.
Johan Teyler
Johannes or Johan Teyler (23 May 1648 – c.1709) was a Dutch Golden Age painter, engraver, mathematics teacher, and inventor of the color print.
Vadim Vlasov
Vadim Nikolayevich Vlasov( born 19 December 1980) is a former Russian football player.
He is a younger brother of Dmitri Vlasov.
Joseph Gales Sr.
Joseph Gales( 4 February 1761 – 21 July 1841) was an American journalist, newspaper publisher and political figure.
He was the father of the younger Joseph Gales.
John VIII, Count of Nassau-Siegen
John VIII, Count of Nassau-Siegen ("Jan" or "Johan"; Dillenburg, 29 September 1583 – Ronse, 27 July 1638) was a German nobleman and militarist of the 17th century.

Question: Who is younger, Joseph Gales Sr. or Johan Backlund?
Answer: Johan Backlund