+———Johann David Gronow ( – 27 Jul 1631 Hamburg, Germany)              |          +———Johann Friedrich Gronow (5 Sep 1611 Hamburg, Germany – 28 Dec 1671 Leyden, Holland)          |   |                                  |   |                   +———Printer Cordt Langermann          |   |                   |          |   |               +———Merchant Berndt der Alte Langermann (bet 1491 and 1513 Munster, Westfalen, Germany – )          |   |               |          |   |           +———Merchant Bernhard Langermann (1485 Muenster, Westfalen, Germany – bef 21 Nov 1544 Hamburg, Germany)          |   |           |   |              |   |           |   +———Gertrud Calmenholt ( – bef 1497)          |   |           |          |   |       +———Rostock-Wittenbg Paul Langermann (abt bet 1532 and 1534 Hamburg, Germany – bet 1582 and 1585 Hamburg, Germany)          |   |       |   |                                  |   |       |   |                   +———N. Krantz          |   |       |   |                   |          |   |       |   |               +———Johann (Henneke) Krantz (bef 1394 Hamburg, Germany – )          |   |       |   |               |          |   |       |   |           +———Captain Albert Krantz (abt 1400 – 1452)          |   |       |   |           |          |   |       |   |       +———Eggert Krantz (aft 1423 Hamburg, Germany – aft 1478)          |   |       |   |       |   |                  |   |       |   |       |   |   +———Eghardus Beerboom ( – bef 1413)          |   |       |   |       |   |   |          |   |       |   |       |   +———Abelke Beerboom (bef 1407 Hamburg, Germany – aft 1452)          |   |       |   |       |       |                  |   |       |   |       |       |   +———Henno Arndesvelt ( – bet 1390 and 1394)          |   |       |   |       |       |   |          |   |       |   |       |       +———Wilburgis Arndesvelt ( – bef 1413)          |   |       |   |       |           |                  |   |       |   |       |           |   +———Henneke Luneborg          |   |       |   |       |           |   |          |   |       |   |       |           +———Alheid Luneborg ( – aft 1430)          |   |       |   |       |               |                      |   |       |   |       |               |       +———Richard Paves          |   |       |   |       |               |       |          |   |       |   |       |               |   +———Dietrich Paves ( – 1350)          |   |       |   |       |               |   |   |                      |   |       |   |       |               |   |   |       +———Johannes de Luneborg          |   |       |   |       |               |   |   |       |          |   |       |   |       |               |   |   |   +———Johannes von Luneborg          |   |       |   |       |               |   |   |   |   |                  |   |       |   |       |               |   |   |   |   |   +———Thidericus Miles de Campen          |   |       |   |       |               |   |   |   |   |   |          |   |       |   |       |               |   |   |   |   +———N. Miles de Campen          |   |       |   |       |               |   |   |   |       |              |   |       |   |       |               |   |   |   |       +———Margaretha N. ( – aft 1297)          |   |       |   |       |               |   |   |   |          |   |       |   |       |               |   |   +———N. von Luneborg ( – aft 1324)          |   |       |   |       |               |   |       |                  |   |       |   |       |               |   |       |   +———von Lubeke          |   |       |   |       |               |   |       |   |          |   |       |   |       |               |   |       +———N. von Lubeke          |   |       |   |       |               |   |          |   |       |   |       |               +———Gertrud Paves          |   |       |   |       |                   |              |   |       |   |       |                   +———Gertrud R.          |   |       |   |       |          |   |       |   |   +———Paul Krantz (bef 27 Jul 1527 – aft 6 Dec 1632)          |   |       |   |   |   |                  |   |       |   |   |   |   +———Johannes Hovemann ( – bef 1437)          |   |       |   |   |   |   |          |   |       |   |   |   +———Margaretha Hovemann (abt 1420 Hamburg, Germany – aft 16 Jul 1487)          |   |       |   |   |       |                      |   |       |   |   |       |       +———Eylard Wodeghe ( – bef 1382)          |   |       |   |   |       |       |          |   |       |   |   |       |   +———Heyne Wodeghe          |   |       |   |   |       |   |          |   |       |   |   |       +———Gerburg Wodeghe          |   |       |   |   |          |   |       |   +———Margaretha Krantz (abt 1496 Hamburg – aft 1577)          |   |       |       |              |   |       |       +———Anna Lesemann          |   |       |          |   |   +———Lorens Langermann (12 Nov 1556 Hamburg, Germany – 13 Aug 1620)          |   |   |   |                  |   |   |   |   +———Mayor 1557-80 Lorenz Niebuhr (abt 1500 Wismar, Germany – 15 Jan 1580 Hamburg, Germany)          |   |   |   |   |          |   |   |   +———Margaretha Niebuhr ( – bef 1588 Hamburg, Germany)          |   |   |          |   +———Margaretha Langermann (9 May bet 1592 and 1594 Hamburg, Germany – 1655)          |       |              |       +———Anna Moilke (abt 1565 – 1598)          |      +———Geographer Jacob Gronow (20 Oct 1645 Deventer – 21 Oct 1716 Leyden, Holland)      |   |          |   +———Adelheid Tennulius ( – 1657)      |  +———MD/Botanist Johann Friedrich Gronow (1690 – 1760)  |      Lorenz Theodor Gronow (1730 – 1777 Leyden, Holland)