Count Gerard I De Teisterbant Of Guelders
Gerard I was born about 1053.  He died after 1138.

 Heiress Clemence De Poitou
Clemence was born about 1060 in Poitou,France.  She died after 1129.

 Heiress Judith (Jutta) De Guelders Of Wassenburg
Judith (Jutta) was born in 1090.  She died at the age of 61 on June 26th, 1151.

 Gerhard De Guelders
He died about 1134.

 Yolande (Jolante) De Guelders