- Gallery owner
- Collector
- paper merchant
- Janssen Fan
- Daughter
- First Mayor of Hamburg, 1974 -1981
- Chancellor of Germany, 1998 – 2005
- Collector
- Gallery owner and publisher „Saint Gertrude“
- Classmate art school „Lerchenfeld“
- 3rd wife, 1960 – 1968
- Horst-Janssen-Museum Oldenburg
- Publisher „Connaissance des Arts“, Tokyo
- First Mayor of Hamburg, 1988 – 1997