BJJ National/International
> International Brazilian Jiu-Jitsu Federation
> Brazilian Jiu-Jitsu Bund Deutschland e.V.
Freunde
> Guido Sieverling
> Black Belt Fellowship (Canadian Jiu-Jitsu)
> Tao Kung Fu Dornbirn, Österreich
> International Brazilian Jiu-Jitsu Federation
> Brazilian Jiu-Jitsu Bund Deutschland e.V.
> Guido Sieverling
> Black Belt Fellowship (Canadian Jiu-Jitsu)
> Tao Kung Fu Dornbirn, Österreich