In 2002 on the ancient road between Sontheim and Bächingen a mile stone with the name of Emperor Caracalla and a reference to Faimingen (lat.

Archeological digs in the 1960s have identified the remains of an early Christian wooden church and graveyard that would have been built around 650.

A few years later ownership of the Brenzer Church moved to the Abbey of St. Gall in modern-day Switzerland.

Following numerous reconstructions and renovations the Galluskirche (German: Church of St. Gall) reached its final, Romanesque form in 1200.

After 1250 a side line of the noble family von Güssenberg (known as Güssen) occupied Schloss Brenz.

[3] To pay debts, the family quickly fell into highway robbery and the castle was destroyed under orders of Louis IV in 1340.

Duke Eberhard Ludwig gave the castle to his mistress Wilhelmine von Grävenitz in 1721.

Schloss Brenz remained generally empty afterward, though a branch of the family von Racknitz lived in the castle for a short while.