+———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)      |  +———August Ernst Heinrich Langmann (14 May 1868 Cape Town, South Africa – 24 Oct 1898)  |   |      |   +———Wilhelmina Christiane Friederike Pentz (abt 1845 Cape Town, South Africa – 7 Dec 1914 Cape Town, South Africa)  |      Eduard Carl Gottfried Langmann (11 Dec 1897 Wynberg, Cape, South Africa – 31 Aug 1903)  |      +———Marie Louise Engelke (19 May 1864 – )