| Name: | Fake for sources Ω1,2,3,4,5,6,7,8,9 |
| Sex: | Male |
| Father: | - |
| Mother: | - |
| (none) |
| 1 | Jacob Jacobson, "~ Die Judenburger Bucher der Stadt Berlin 1809-1851". |
| London Library (for Berlin Jews books etc.), 14 St James's Square, London SW1Y 4LG. Tel: +44 20 7930 7705. |
| 2 | Various, "~ Gertrud Dessau's Autograph Book 24 July 1899". |
| Nicholas Veit (for family Gedcom). |
Source: ~ Gertrud Dessau's Autograph Book 24 July 1899
| 3 | "~ Gertrud Dessau's Familien Stammbuch 28 May 1922". |
| Nicholas Veit (for family Gedcom). |
Source: ~ Gertrud Dessau's Familien Stammbuch 28 May 1922
| 4 | Jacob Jacobson, Hans Herzfeld, "~ Jüdische Trauungen in Berlin, 1759-1813: Mit Ergänzungen für die Jahre von". |
| London Library (for Berlin Jews books etc.), 14 St James's Square, London SW1Y 4LG. Tel: +44 20 7930 7705. |
| 5 | Katherine Mader, "~ Katherine Mader's Family Book". |
| Katherine Mader (relative with family tree). |
Source: ~ Katherine Mader's Family Book
| 6 | "~ LexM Max Winterfeld (Jean Gilbert)". |
| Lexicon verfolgter Musiker und Musikerinnen (Hamburg Uni musicians. |
| 7 | "~ LexM Paul Dessau". |
| Lexicon verfolgter Musiker und Musikerinnen (Hamburg Uni musicians. |
| 8 | "~ LexM Robert Muller-Hartmann". |
| Lexicon verfolgter Musiker und Musikerinnen (Hamburg Uni musicians. |
| 9 | Gustav Nathan, "~ Paul Dessau's Stammbaum" (Name: 1910-1912;). |
| Nicholas Veit (for family Gedcom). |