If you can read this line, the file format.css from BK is missing! (must be lower case file name.)
Jacob Jacobs de Groot #2ged. 28 apr 1727 Ott. (Altona,Hamburg)
Tr. 20 jan 1753 Juist
Ovl. 16 nov 1775 op zee Schiermonnikoog
Voorouder grafiek van: Berend Jacobs de Groot