Dreyer Family

I am looking for any one that is linked to George Ludwig Dreyer m:
Louisa Folle or Folte in Germany
from Hanover Germany Hartz Mountians area

There children are :
John George Dreyer, B;Germany D: Blackall Qld Australia
Carl Edward Dreyer, B:Germany D:Adelaide.
Carl was a Publican in Adelaide
Johann Fredrick August Sophus Dreyer, B:Germany D:Vic Australia

Johannah Wilhemina Dreyer B: Germany D:?

Ludwig arrived in Australia 1845 with son George worked in mines

I am hoping there maybe someone out there that is linked to us and share any
information.
Any help will be greatfully appreciated. Thanks in advance.

Lyn