Lived as a widow in Breslau at Moritzstrasse 53 in ca 1930. Among others, her brother Bernhard Riesenfeld lived at the same address. Rosa died at Brandenburgerstrasse 53, which may be the same address; both Brandenburgerstrasse and Moritzstrasse are listed in the Breslau synagogue community address list (ca 1930), but both are equated to ul. Lubuska in polish-online.com .