Adressbuch Ulm (Baden-Württemberg) 1865, page Einw-107: Janz Gottfr. (Tuchmacher)
Adressbuch Ulm (Baden-Württemberg) 1865
You can report transcription errors here. (It is only a transcription error if, for example, the source reads "Wilhelm" but "Wihlem" was transcribed. It is not a transcription error if the source reads "W." and you suspect it should be "Wilhelm".)