Knudsen Ferdinand Christoffer ( 1873 - ? )
1.1 Knudsen Harald Rasmus Marinus Carelius ( 1900 - ? )
1.2 Knudsen Harriet Marie Alvilda ( 1902 - ? )
1.3 Knudsen Henry Ferdinand Sylvest ( 1903 - ~1988 )
1.3.1 Knudsen Kurt Ferdinand ( 1928 - ~2004 )
1.4 Knudsen Margit Irene ( 1921 - ? )
1.4.1 Knudsen Connie Grete ( 1940 - ? )