In 1318, the family lost their position at Interlaken when Albert's son, Duke Leopold I was elected kastvogt.

They eventually had authority over two dozen churches along with a number of villages and farms and became the largest religious landholder in the region.

However, in 1350 a period of crises and conflicts led to a decline in the number of monks and nuns and increasing debt.

Bern responded with a military expedition to the Bernese Oberland, which ended in defeat for Unterwalden and its allies.

[2] In 1445 the Evil League (Böser Bund) rose up in the Oberland near Interlaken and fought against Bernese military service and taxes following the Old Zürich War.

In 1472 a violent dispute between the men and the women's convents resulted in two visitations by the Bishop of Lausanne who noted serious deficiencies.

Despite the reform measures the nun's convent was closed in 1484 and its property transferred to the newly founded monastery of St. Vincent in Bern.