If you can read this line, the file format.css from BK is missing! (must be lower case file name.) 
Johann Georg Bross #2geb. 14 Okt 1670 Sterkrade, Germany
Heir. 14 Okt 1711 Sterkrade, Germany
gest. 8 Okt 1727 Sterkrade, Germany
 
Wilhelm Bross #4geb. ca.    1633 Sterkrade, Germany
Heir. 10 Sep 1669 Sterkrade, Germany
gest. 9 Mrz 1709 Sterkrade, Germany
 
Stephan Bussman #10geb. vor    1610 Sterkrade, Germany
Heir. 14 Jul 1631 Sterkrade, Germany
gest. 3 Okt 1679 Sterkrade, Germany
 
Vorfahren-Stammbaum von: Anna Christina Bross