Willem Van Bronckhorst Heer
Willem was born about 1154 in Bronckhorst,Gelderland,Netherlands.  He died in 1225.

 Geertruijd of Gelderland
Geertruijd of was born about 1158.  Geertruijd of is no longer alive.

 Gijsbert Van Bronckhorst Heer
Gijsbert was born about 1182 in Bronckhorst,Gelderland,Netherlands.  He died in 1238.