Zach, Jan (Johann) bap.13.nov.1699-24.may.1773 Bohemia, Celakovice - Germany, Ellwangen
organist, harpsichordist, violinist

[MGG2 gives his baptism as 26.nov.1713 in Dechtar near Brandeis an der Elbe (now Dehtary near Brandys nad Labem) after recent research by Tomas Slavicky]