Bertrand Courtade (9)
                             |
                             |
         Dominique Courtade (8)
         |                   |
         |                   |
         |                   Catharine Tujague (9)
         |
         Johannes Petrus Courtade (7)
         |                                    Joannes Adam Weber (10)
         |                    Joseph Weber   (9)
         |                   |                Unknown (10)
         |                   |
          Eva Marie Weber   (8)
                             |
                             |                Andre Kelsch (10)
                             Maria B. Kelsch (9)
                                              Unknown (10)