Count Gebhard I of Niederlahnau
Gebhard was born in Lahngau, Hessen-Nassau, Germany.  He died in 0879.

 Count Eberhard I in the Lower Lahngau
Eberhard was born in 0840 in Lahngau, Hessen-Nassau, Germany.  He died  due to died in battle at the age of 62 on May 1st, 0902 in Bamberg, Bavaria, Germany.

 Gisela von Neider-Langau
Gisela was born in 0860.

 Count Udo II of Lahndau
He died in 0879.