+---------+       +---------------+
           |         |       |               |
Nassington=f      Deveril=Blanche  Bridestow=f
          |              |
  +--+----+       +------+---------+--------+------+
  |  |    |       |      |         |        |      |
  m  m  Osbert  Adam  Stephen  Charlotte  Maria  Lydia

*******************

Jonathan Chawleigh=Mary
                  |
                Jenny

*******************

  Oversley=Dorothea
          |
  +-------+-------+
  |       |       |
Julia  Charles  Susan

*******************

           +----------------------+
           |                      |
        Edgcott=f      Warlingham=f
Lord Rockhill  |
           +---+----+
           |        |
         Sarah  Elizabeth