Schloss Leonberg was founded in 1248 by count
Ulrich I of Württemberg. The original
castle
A castle is a type of fortification, fortified structure built during the Middle Ages predominantly by the nobility or royalty and by Military order (monastic society), military orders. Scholars usually consider a ''castle'' to be the private ...
was modified between 1560 and 1565 by the
master builder
A master builder or master mason is a central figure leading construction projects in pre-modern times (a combination of a modern expert carpenter, construction site supervisor, and architect / engineer).
Historically, the term has generally ref ...
Aberlin Tretsch by order of the duke Christoph.
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