Vadim Vlasov
Vadim Nikolayevich Vlasov( born 19 December 1980) is a former Russian football player.
He is a younger brother of Dmitri Vlasov.
J. Evan Sadler
Jasper Evan Sadler III( 9 November 1951 – 13 December 2018) was an American hematologist.
Sadler was born in Huntington, West Virginia, on 9 November 1951 to pathologist Jasper Evan Sadler Jr. and his wife Clara Rose Thompson Sadler.
The younger Sadler studied chemistry at Princeton University and completed a medical degree at Duke University School of Medicine.
Sadler completed his residency at Duke and a fellowship at the University of Washington and subsequently joined Washington University in St. Louis faculty in 1984.
Between 1982 and 2008, Sadler was a Howard Hughes Medical Investigator.
In 2014, Sadler was appointed Ira M. Lang Professor of Medicine.
In 1988, Sadler was elected a member of the American Society for Clinical Investigation.
He was granted fellowship by the American Association for the Advancement of Science in 1998, and membership by the National Academy of Medicine in 2013.
Sadler was president of the American Society of Hematology and won the organization's Henry M. Stratton Medal for Basic Science in 2016, followed by its Exemplary Service Award in 2018.
He received the Distinguished Career Award and Robert P. Grant Medal from the International Society on Thrombosis and Haemostasis in 2001 and 2018, respectively.
Sadler died of sporadic Creutzfeldt- Jakob disease( s CJD) in Clayton, Missouri, on 13 December 2018, aged 67.
Yislena Hernández
Yislena Hernández( born 13 March 1990) is a Cuban rower.
She competed in the women's lightweight double sculls event at the 2016 Summer Olympics.
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.
Zoran Švonja
Zoran Švonja( born 4 October 1995) is a Serbian football midfielder who plays for Bulgarian club Lokomotiv Sofia.
He is younger brother of Goran Švonja.
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.
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.
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.
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.

Question: Who is younger, Yislena Hernández or J. Evan Sadler?
Answer: Yislena Hernández