| 1971-06-18: | Birth in Sankt Josefs Krankenhaus in Haan. Parents: Eberhard Kotthoff and Hildegard Kotthoff (birth name: Melzer). Brothers: Rainer (1967) and Christian (1964) |
| 1978-1982: | Primary school |
| 1982-1988: | Secondary school |
| 1988-1992: | Training as "Energy electrician special field equipment technic" |
| 1992-1993: | Basic defense service at german "Bundeswehr" army |
| 1995-1996: | Employeed as a skilled worker at MAE |
| 1997-heute: | Employeed as a service-technician at MAE |
| 12.08.1997: | A Service job in China. From now on my life changed... |
| 01.01.1998: | A visitor from China. I invited the englisch teacher Xu Yan (Anne) to germany. |
| 09.04.1998: | Marriage! Anne the is lucky one. :) |
| 16.04.1999: | Started this homepage |