Donald Jahraus
Donald Jahraus( July 13, 1892 – April 3, 1963) was an American special effects artist.
He won an Academy Award for Best Special Effects and was nominated for two more in the same category.
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.
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.
Vadim Vlasov
Vadim Nikolayevich Vlasov( born 19 December 1980) is a former Russian football player.
He is a younger brother of Dmitri Vlasov.
Domhnall mac Cailein
Domhnall mac Cailein or Donald Campbell was a 13th- 14th century Scottish nobleman and the Sheriff of Wigtown.
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.
Patrick Kujala
Patrick Kujala( born 15 May 1996) is a Spanish- born professional racing driver, who races under a Finnish racing licence.
Miloš Zličić
Miloš Zličić( born 29 December 1999) is a Serbian football forward.
He is a younger brother of Lazar Zličić.
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.

Question: Who is younger, Patrick Kujala or Donald Jahraus?