+———Ioannes Langmann (abt 980 Lucca, Tuscany – )                                                                              |                                                                          +———Abt 6 Generation Langmann                                                                          |                                                                      +———Langmann (bef 1200 Nurnberg, Germany – )                                                                      |                                                                  +———Nurnberg Bürgermeister Langmann (abt 1200 Nürnberg – )                                                                  |                                                              +———Kurt (Conrad) Langmann (abt 1240 Nurnberg, ment. 1282/1318 – aft 1318)                                                              |                                                          +———Hans Langmann (abt 1280 died in Livland, Riga, aft 1330 – aft 1357)                                                          |                                                      +———Heinrich Nicolaus de Langmann (1323 Rostock, Mecklenburg – 1393 Lubeck, Schleswig-Holstein)                                                      |                                                  +———Peter (Pueri) Langmann (abt 1360 ment. 1392/98, Rostock – )                                                  |   |                                                      |   +———Nn                                                  |                                              +———Court Chaplain Nicolaus de Langmann (abt 1410 1451/ Portugal, Wiener-Neustadt – )                                              |                                          +———Imp. Chancellor Joachim Langmann (bef 1450 Neuburg, Bavaria – )                                          |   |                                              |   +———Nn Agnes? von Falkenstein                                          |                                      +———Rostock Burgermeister Heinrich Langmann (abt 1480 Rostock – )                                      |   |                                          |   +———Hedwig von Seidlitz                                      |                                  +———Dean/Wismar Nicolaus Langmann (abt 1530 Wismar – )                                  |   |                                      |   +———Marie von Blumenthal (abt 1480 – )                                  |                              +———Joachim Langmann (abt 1560 Wittenburg, Germany – )                              |   |                                  |   +———Gertrud Kiekebusch (abt 1520 – )                              |                          +———Bartholomaus Langmann (abt 1604 poss. in Damensis, Demern/Demmin, Damm b/Rostock?, Pommern – bef 1677 Gross Quassow, Mecklenburg, Germany)                          |   |                              |   +———Margaretha Duetzenrath (abt 1560 Lüneburg – )                          |                      +———Bartholomaus (of Leussow) Langmann (4 Jan 1648 Gross Quassow, Mecklenburg, Germany – abt 1684 Gross Quassow, Mecklenburg, Germany)                      |   |                          |   +———Maria Beyer (18 May 1614 Koenigsberg, Neumark, Brandenburg – 28 Apr 1667 Gross Quassow, Mecklenburg, Germany)                      |                  +———Andreas Langmann (4 Apr 1681 Gross Quassow, Mecklenburg, Germany – )                  |   |                      |   +———Catharina Meltz (1643/4 – 18 Feb 1698)                  |              +———Deacon Andreas Langmann (2 Jul 1719 Wesenberg, Mecklenburg, Germany – 20 Sep 1781 Sponholz, Mecklenburg, Germany)              |   |                  |   +———Maria Schurlein (6 May 1692 poss. in Mosbach or Asch, Bayern, Germany – 7 Mar 1724 Wesenberg, Mecklenburg, Germany)              |          +———Cleric Karl Ludwig Caspar Langmann (26 Apr 1767 Sponholz, Mecklenburg, Germany – 14 Oct 1836 Sponholz, Mecklenburg, Germany)          |   |              |   +———Christina Behm          |      +———H. School Pricip. Johann Friedrich Christoph Langmann (21 May 1802 Matzdorf, Mecklenburg, Germany – 27 May 1870 Neustrelitz, Mecklenburg, Germany)      |   |          |   +———Catharina Maria (Sophie) Scheeren (1766 Ihlenfeld, Mecklenburg, Germany – 18 Dec 1847 Matzdorf, Mecklenburg, Germany)      |  +———M. D. Gustav Langmann (21 Dec 1842 – 1916 New York, USA)  |   |      |   +———Emilie Ottilie Lisette Drews (27 Apr 1815 Krickow, Mecklenburg, Germany – 11 Oct 1891 Neustrelitz, Mecklenburg, Germany)  |      Book Dealer Heinrich Langmann (Apr 1883 – 1947 New York, USA)  |      +———Cathy Zinser (1858 – 1931)