Ivan van Aalst was born circa 1091 to Boudewijn II van Gent (c1055-1097) and Reignewif and died 8 August 1145 of unspecified causes. He married Laurette of Flanders (c1125-1170) 1139 JL . Charlemagne (747-814)/s.
|Offspring of Ivan van Aalst and Laurette of Flanders (c1125-1170)|
|Dirk van Aalst (1144-1166)||1144||20 April 1166||Laurette de Hainaut (1150-1181)|