Robert (Iva) de Vaux
Robert (Iva) was born about 1184 in Gilsland, Cumberland, England.  He died about 1235.

 Maud
Maud was born about 1184.  Maud is no longer alive.

 Hubert II de Vaux
Hubert II was born about 1205 in Gilsland, Cumberland, England.  He died in 1240.