Siegfried Sicco Of HOLLAND
Siegfried Sicco Of was born about 1030 in <Of Gand,Falndre-Oriental,Belgium>.  He died on June 6th, 1030.

 Thetburga UNKNOWN
Thetburga was born about 1045.  Thetburga is no longer alive.

 Simon I Van HOLLAND
Simon I Van was born in 1080.