Idagaard is a manor house and estate located immediately south of Slagelse, Denmark.

He imported several families from Switzerland and established a production of Swiss cheese which was mainly exported to overseas markets.

[1] Bruun created four small estates from part of the land that had previously belonged to Antvorskov Hovedgård, naming them Idagaard, Charlottendal, Augustendal and Karlsgaard after his children.

[2] In 1806 Bruun sold all the estates to Adam Wilhelm Hauch and Marcus Frederik Voigt.

His grandfahter, Pierre Paul Ferdinand Mourier, who had made a fortune in the service of the Danish Asiatic Company, had owned [[Aagaard (manor house) |Aaagaard]] at Kalundborg.

Charlottendal's former owner, D. F. de Neergaard, who also owned Valdemarskilde, acquired 100 tønder of forest from Idagaard as part of the arrangement.