The Béatrice-von-Wattenwyl-Haus is a town mansion on the Junkerngasse No. 59 in the Old City of Bern, only a few steps away from the Erlacherhof.
The mansion is built up of several medieval houses. This is still visible on the north façade which consists of 3 medieval houses.
Between 1695 and 1710 on the order of its owner, the Bernese patrician Samuel Frisching, an ancestor of Franz Rudolf Frisching, the mansion underwent a rebuilt by the architect Joseph Abeille. Abeille restructured the interior of the mansion and added the elegant south façade in the Louis XIV style.
Wikipedia https://en.wikipedia.org/wiki/Béatrice-von-Wattenwyl-Haus
Address 59 Junkerngasse, Bern 3011, Switzerland
Coordinates 46°56'50.429" N 7°27'10.047" E