18 jun 1878
Johannes Flapper
14 aug 1879
Maurits Yettes Flapper
13 aug 1882
Sjieuke Yettes Flapper
11 mrt 1912
Maurits Klaas Flapper
31 okt 1916
Klaas Dominicus Flapper
4 jun 1923
Pieter Fokkes Flapper