The first written notes of the House date back to 1372 when it was owned by the Mayor of Hradcany. During the next centuries the House changed its owners several times. Among then we can find Czech kings´servants, members of different religious orders and many important Prague burghers. In 1723-32, when owned by the official of Czech Royal Chamber Baltazar Knapp, the House saw a thorough and expensive reconstruction that put it in the today´s shape.The recently finished recontruction preserved.