Billy Koen
American nuclear engineer · 14 October 2025 · October 2025 · October 14 · Other
Deaths Named Koen
Koen Blijweert
Belgian businessmann and lobbyist · 08 February 2021 · February 2021 · February 8 · Other
Charles Koen
American civil rights activist · 23 July 2018 · July 2018 · July 23 · Other