J. Krén
Krén, J. Prague singer, performing frequently in Prague concerts and in the theatre during the early 1860s. Prager Morgenpost 2/7/1863 reported that ‘Mr Krén heads for Vienna and will sing in the Court Opera Theatre’. However, on 14/7/1863 Prager Morgenpost also related that on 7th July Krén gave a numerously attended concert in the Spa Hall in Marienské lázně.