Derk Hendrik Koolenbrander and Catharina Jantina Elisabeth Bijmolt

(1899-1976) – (1901-1985)

With their children Elisabeth Kornelia (1926-2017) and Egge Derk Jan (1928-1945).

In March 1945 Doetinchem was bombarded by mistake by allied airplanes. Egge Derk Jan was one of the victims.