Gerard I (unknown) 
Gerard II
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| Gerard II
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Gerard I, count von Wassenberg
abt 0988, Rheinland Prussia - 1035
(unknown)
?? - ??
Married: ?? - ??
Gerard II van Wassenberg, count of Wessenberg
abt 1013, Wessenberg, Rheinland-Pfalz Deutschland - 1092, Bouillon, Luxembourg, Walloon Region Belgium
(Others Unknown)
?? - ??