Pfeiffer Vilhelm ( 1854 - ? )
1.1 Pfeiffer Helene Wilhelmine Henriette ( 1879 - ~1952 )
1.2 Pfeiffer Poul Johan ( 1882 - 1939/ )
1.2.1 Pfeiffer Else ( 1906 - ~2001 )
1.2.2 Pfeiffer Paul ( 1909 - ? )
1.2.2.1 Pfeiffer Karin ( ? - ? )
1.2.2.2 Pfeiffer Merete ( 1947 - ? )
1.2.3 Pfeiffer Bruno ( 1912 - ? )
1.3 Pfeiffer Ellen Wilhelmine ( 1883 - ? )
1.4 Pfeiffer Olga Paula Johanne ( 1885 - ? )
1.5 Pfeiffer Wilhelm ( 1888 - ? )
1.6 Pfeiffer Leo Gottlieb ( 1890 - ~1969 )
1.7 Pfeiffer Ebba Jeanette ( 1898 - ? )
1.8 Pfeiffer Gottlieb ( 1899 - 1900 )