Johanna's father variously as "Hermann Landsberg" and "Hermann from Landsberg". (in Fritz Halberstaedter's notes) Wrocław, Miasto Wrocław, Wrocław, Poland (from FamilySearch)
Reference 'The Crosby' family web site - http://gen.scatteredmind.co.uk/
General Notes
Ann Landsberg marked as mother of Adolf Halberstaedter on Adolf's marriage certificate. or... Joanna Hermann Born 1805 in Landsberg Died 1833
Kaethe Halberstaedter’s "Louis Halberstaedter" notes; describes her as "Johanna geb. Hermann Landsberg"; Fritz and Max Halberstaedter name her Johanna Landsberg in their genealogies, which is confirmed by her gravestone in Breslau's old Jewish cemetery (field 2, third row back behind David and Johanna Wendriner's monument, gravestone marked "1991" on the back). Fritz Halberstaedter names her father variously as "Hermann Landsberg" and "Hermann from Landsberg".