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Catherine of Heunburg

Catherine of Heunburg (died c. 1315), eldest daughter of Count Ulrich II of Heunburg and Agnes of Baden, was the second wife of Ulrich of Sanneck. Her son Frederick inherited the Heunburg estates including Celje Castle and in 1341 became the first Count of Celje.

References

  1. en.wikipedia.org/wiki/Ulrich_of_Sanneck
  2. en.wikipedia.org/wiki/Frederick_I,_Count_of_Celje