 The fortress then might have been sold into the ownership of Diviš Boubínský of Újezd, who sold it to the knightly family of Káb of Rybňan sometime around 1530.The family had the original Gothic castle rebuilt and the basic Renaissance remodelling carried out between 1542-1555, and the château acquired the name Nová Lhota.In 1597, the château was sold to Vilém Růt of Dírná who had the building rendered with red plaster, from which it got its name Červená Lhota.