Familj: + Rudolf Fredrich Theodor Iburg / Helene Luise Emilie Retzlaff (F500003)
v. 15 Maj 1934 | Florenz Rudolph Iburg (1878-1942) 
|
 | Ida Emilie Marie* Sanft (1882-1971)
|
 | Werner Iburg (1914-2010)  |
 | Eduard August Conrad Retzlaff (1872-1946)
|
 | Anna* Pauline Wilhelmine Ladwig (1874-1918)
|
 | Ernst Hermann Eduard Retzlaff (1904-1981) |
| Emmÿ Annemarie Retzlaff (1907-1938) |
| Gerhard Karl Wilhelm Retzlaff (1909-1945) |
 | + Rudolf Fredrich Theodor Iburg (1905-1996)
|
 | Helene Luise Emilie Retzlaff (1913-1994)
|
 | Herma Iburg (1941-1996) |
 | Gesine Iburg (1943-1945) |
