Ca. 1906, in his study Joh. Verhulststr. 89, A’dam
1911, at Huis Holtwick in Laren
1918, drawing by Ernst Polak
Postuum, picture by J.B. Sleper
Diepenbrock with Mahler and Mengelberg
1906: Mengelberg, Mahler, Diepenbrock at the Zuiderzeestrand near Valkeveen, with the ladies Mengelberg, H. de Booy-Boissevain, P. Boissevain and M. Boissevain-Pijnappel
Ca. 1911: With daughters Johanna (r) and Dorothea (l)
Spouse Elisabeth de Jong van Beek en Donk
1908: With spouse Elisabeth and duaghters Johanna (r) en Dorothea (l)