Baldwin IV married
Alice, • Geoffrey, Count of Ostervant (1147–1163), first husband of
Eleanor, Countess of Vermandois • Lauret(t)a (1150–1181), married first to
Thierry of Alost, and second to
Bouchard V, Count of Montmorency •
Baldwin V (1150–1195), also
count of Flanders by his marriage to
Margaret I of Flanders. ==References==