Proposal for converting German Siegfried-class coastal defence ship into an ocean going lighter after 1918

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Siegfried-class preceded by Oldenburg succeeded by Odin-class. All six ships were stricken on 17 June 1919 and sold to be broken up.

The Frithjof under her original name was rebuilt into a merchant ship by Deutsche Werke in 1923 removing armor and replacing superstructure and machinery and broken up in 1930.

The Siegfried en Heimdal as to be converted by the navy into a salvage vessel but instead sold to be broken up in 1919, respectively 1921.

The Beowulf was sold to the Norddeutsche Tiefbaugesellschaft, Berlin but broken up in 1921.

The Hildebrand was sold in 1919 to be broken up.

The Hagen was sold in 1919 to be broken up.