In May of 2004, Bapak Guru Besar Maurice de Thouars of Pentjak Silat Pak Sera(H,K) .  Named Dr. Andre Knust Graichen  “Heir and Successor”(As well as accepting His Brother Guru Besar Hans, along with a hand full of his student's) in his direct lineage In the art of "Pentjak Silat Pak Sera(h,k) "