Hello Peter Annuss,
I think your grandfather August Annuss is a member of my Family.
Gottlieb Annuss, my great-great grandfather lived in east prussian in a town called Kutzburg (polish today: Kuczbork).
1895 he left with his family east prussian and emigrated to Gelsenkirchen (a town near Essen).
Gottlieb Annuss had a son called August Annuss. Born 28.12.1886. He was the brother of my Great grandfather.
If you like contact me i have a Lot of more informations