In the area around the chapel lies the grave of another grandson, Gottfried Graf von Bismarck-Schönhausen.
The chapel and the site are still owned by the Bismarck family, but can be visited and rented for private tours.
Under the Gastein Convention negotiated by Bismarck in 1865, Prussia obtained the Duchy of Saxe-Lauenburg from the Austrian Empire.
He chose the site so that when he died he could be carried in state from his manor house down the railway to the mausoleum.
[1] Initially, Wilhelm II considered entombing Bismarck in the royal crypt of Berlin Cathedral.