Stadeck was an important family of ministeriales in Styria during the 13th and 14th centuries.

The family is named for Stattegg

Stattegg

Stattegg is a village and a suburb of Graz, the capital of the Austrian state of Styria. It lies at the bottom of the Schoeckl, a mountain of the European Alps....

 castle, beginning with Rudolph I (1192–1230). His son Rudolph II (d. 1261) was a leading minnesinger, featured in Codex Manesse

Codex Manesse

The Codex Manesse, Manesse Codex, or Große Heidelberger Liederhandschrift is a Liederhandschrift , the single most comprehensive source of Middle High German Minnesang poetry, written and illustrated between ca. 1304 when the main part was completed, and ca...

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Another son of Rudolph I, Hartnid I, was active in the party of Rudolph I of Germany

Rudolph I of Germany

Rudolph I was King of the Romans from 1273 until his death. He played a vital role in raising the Habsburg dynasty to a leading position among the Imperial feudal dynasties...

 in the feud against Ottokar I of Bohemia

Ottokar I of Bohemia

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The male line of the family died out with Johann of Stadeck in 1399.