+———Johann Friedrich Langmann (abt 1811 Rosenow, Mecklenburg-Schwerin – 12 Apr 1889 Newlands, Cape, South Africa)  |      August Ernst Heinrich Langmann (abt 1846 Rosenow, Mecklenburg-Schwerin – 9 Oct 1924 Claremont, Cape, South Africa)  |      +———Carolina Friederike Schultz (abt 1811 Rosenow, Brandenburg – 18 Jan 1864 Cape Town, South Africa)