It is privately owned by the House of Oettingen-Spielberg.
Schloss Oettingen was built between 1679 and 1687.
[1][2] Construction was overseen by Karl Engel, a brother of the Prince-Bishop's master builder, Jakob Engel.
[1] The palace has served as a family seat for the House of Oettingen-Spielberg, a German noble family and cadet branch of the House of Oettingen, and is still owned by the family.
[1] Schloss Oettingen is located in Oettingen in Bayern, in the Donau-Ries district of Swabia, Bavaria.