{geni:about_me} Isak is probably the Ignaz referred to in "Die Gödinger Judengemeinde," Part III, Dr. Gustav Treixler, in ''Zeitschrift des Deutschen Vereines für die Geschichte Mährens und Schlesiens'', Brünn, 1917, Vol. 21, p. 359-60. "Jakob Weller wohnte später in Lösch [http://cs.wikipedia.org/wiki/Brno-L%C3%AD%C5%A1e%C5%88 ('''Líšeň'''] in Czech), ebenso sein Sohn Ignaz, der dort Brauhauspächter war."

Líšeň is essentially a suburb of Brno. "Líšeň (German Lösch ) is a historic market town , cadastral and urban district, and from the 24th November 1990 under the name Brno-Líšeň also part of town to the east of the statutory cityof Brno."