Flora Wilhelm, born 22 November 1867 in Krotoschin (Poland) as daughter of Markus Wilhelm and Bertha Nathan, was the wife of Sally Liebenau from Rawitsch in Poland. He was a son of Abraham Liebenau and Henriette Held. It was certain that the couple had two children, namely Siegfried Liebenau, born 19-2-1899 in Berlin, who lived in Amsterdam and Gertud Liebenau, born 1 March 1892 in Berlin, who liv…