+———Merchant Johann Wechler (bet 1542 and 1551 – )  |      Merchant Heinrich Wechler ( – 1583)  |              |       +———Printer Cordt Langermann  |       |  |   +———Merchant Berndt der Alte Langermann (bet 1491 and 1513 Munster, Westfalen, Germany – )  |   |  +———N. N. Langermann      |          +———Gertrud Calmenholt ( – bef 1497)