+———Thomas Clapp (1563 Istha, Hesse, Germany – 25 Nov 1624)          |      +———Geisa Clapp (1619 Istha, Hesse, Germany – )      |   |          |   +———Elizabeth Unknown      |  +———Nikolaus Clapp (1644 Istha, Hesse, Germany – )  |   |      |   +———Catharina Brylande  |      Johann Jost Clapp (1669 Istha, Hesse, Germany – 1716 Berks Co, PA)  |      +———Elizabeth Potter (1645 – )