+———Johann Friedrich Langmann (abt 1811 Rosenow, Mecklenburg-Schwerin – 12 Apr 1889 Newlands, Cape, South Africa)  |      Johann Theodor Carl Langmann (abt 1844 – 25 Aug 1922 Cape Town, South Africa)  |      +———Carolina Friederike Schultz (abt 1811 Rosenow, Brandenburg – 18 Jan 1864 Cape Town, South Africa)