Interaktivt træ for Johann Jessen Knudsen

Johann Jessen Knudsen 1904
Emma Catharine Irene Christiansen 19121981
Lorentz Peter Christiansen 18791935
Henriette Wilhelmine Christine Anna Seibert 18861957
August Wilhelm Seibert 18591903
Louise Catharina Emma Doris Flohr 18581924