Knjazyev Serhij Mykolajovych

(July 21, 1989 - March 20, 2022 )

Date of birth: July 21, 1989
Date of disappearance: March 20, 2022
Date of release from captivity: Nov. 3, 2022
From: Mariupol', Mariupolska urban community, Mariupol District, Donetsk Oblast
Disappeared in the area of: Mariupol', Mariupolska urban community, Mariupol District, Donetsk Oblast
Rank: Seaman
Military Unit: 503rd separate marine infantry battalion