He volunteered for the army at the outbreak of the First World War, serving in an infantry regiment. On 10 April 1918 he was severely wounded near Mesen and taken to the hospital in Stettin, where he died. His grave is preserved in the Worpswede Cemetery.
^Jacob, Inge (21 March 2017). "Feldhusen, Anna". Bremer Frauenmuseum e.V. Retrieved 8 January 2021.
References
Otto Dziobek (1922). Geschichte des Infanterie-Regiments Lübeck (3. hanseatisches) Nr. 162
Rainer Maria Rilke (1955–66) Sämtliche Werke. Band 1–6, Band 5, Wiesbaden and Frankfurt a.M.
Rainer Maria Rilke (2007) Worpswede: Fritz Mackensen, Otto Modersohn, Fritz Overbeck, Hans am Ende, Heinrich Vogeler. Neuausgabe Insel, Frankfurt a. M.; 10th ed. ISBN978-3-458-32711-0
Sigrid Welte-Wortmann (1987). Die ersten Maler in Worpswede, Worpsweder Verlag, ISBN3-922516-00-9