Vadim Vlasov
Vadim Nikolayevich Vlasov( born 19 December 1980) is a former Russian football player.
He is a younger brother of Dmitri Vlasov.
Chen Qingying
Chen Qingying (Chinese 陈庆英, Pinyin Chén Qìngyīng ; born 21 October 1941 in Nanchong, Sichuan, Republic of China (1912–1949) [1]), is a Chinese tibetologist.
He is the director of the History Research Institute under the China Tibetology Research Center (Zhongguo Zangxue yanjiu zhongxin).
Blackie Chen
Blackie Chen or Chen Chien- chou( born 2 May 1977) is a Taiwanese television host, actor, basketball manager, entrepreneur and a former basketball player.
Miloš Zličić
Miloš Zličić( born 29 December 1999) is a Serbian football forward.
He is a younger brother of Lazar Zličić.
Chen Tien
Chen Tien or Chen Tian( – 1990) was the head of the Central Propaganda Department of the Communist Party of Malaya( CPM).
Per Hallström
Per August Leonard Hallström( 29 September 1866 – 18 February 1960) was a Swedish author, short- story writer, dramatist, poet and member of the Swedish Academy.
He joined the academy in 1908, and served as its Permanent Secretary from 1931 to 1941.
Cheer Chen
Cheer Chen or Chen Chi-chen( born 6 June 1975) is a Taiwanese singer- songwriter.
Chen Wei-zen
Chen Wei-zen or Chen Wei-jen( born 24 May 1953), is a Taiwanese politician who was the Minister of the Interior from 2014 to 2016.
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.
Jennifer Chen
Jennifer Chen or Chen Chun- chen is a professional pool player.

Question: Who is younger, Per Hallström or Chen Qingying?
Answer: Chen Qingying