A wooden keep was replaced by a stronger castle.

The literal translation of the name is "strong castle".

This was a very strong castle, and it brought up questions about strong castles in general.

Though Saône was a strong castle, it fell in just three days.

According to Cantillon the fortification was already a strong castle.

Originally it was a strong castle in the 14th century.

The campaign failed to capture any of the strong castles, however.

He found himself before a strong castle on a mountain.

Each was able to support a sizeable garrison in a strong castle.

It had formerly a strong castle, the site and earthworks of which still remain, but the building is destroyed.