Johannes Albrecht Bernhard Dorn
Johannes Albrecht Bernhard Dorn( 29 April 1805 in Scheierfeld, Saxe- Coburg, Germany – 19 May 1881 in St. Petersburg, Russia), or Boris Andreevich Dorn, was a German orientalist.
He specialized in the history and the languages of Iran, Russia and Afghanistan.
Boris Grezov
Boris Grezov or Boris Grezhov( April 4, 1889 – March 3, 1968) was a Bulgarian actor and film director.
Grezov was one of the pioneers of early Bulgarian cinema, making important silent films such as" Maiden's Rock"( 1922) and" After the Fire Over Russia"( 1929).
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.
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.
Boriss Teterevs
Boriss Teterevs or Boris Teterev( November 5, 1953 – September 21, 2019) was a Latvian philanthropist and private patron.
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.
Petr Šindelář
Petr Šindelář( born 16 November 1975 in Zlín) is a Czech snowboarder.
He placed 28th in the men's parallel giant slalom event at the 2010 Winter Olympics.
Miloš Zličić
Miloš Zličić( born 29 December 1999) is a Serbian football forward.
He is a younger brother of Lazar Zličić.
Boris Roolaid
Boris Roolaid( born" Rosenberg", 3 February 1917 – c. 1942) was an Estonian backstroke swimmer.
He competed in the 100 m event at the 1936 Summer Olympics, alongside his younger brother Egon, but failed to reach the final.
Roolaid took up swimming in 1932, and between 1935 and 1937 won three national titles.
In 1941 both brothers were sent to Soviet labor camps, where they died in 1942 – 43.

Question: Who is younger, Petr Šindelář or Boris Roolaid?
Answer: Petr Šindelář