 They had a son Henri (d. after 1187), also Seigneur de Hermalle-sous-Huy, who witnessed a charter in 1182 regarding a matter involving Conon, Count of Montaigu and Duras.The next generation also include Godfrey II (Gottfried) (d. 1150 or after), Count of Esch, although it is unclear which of the sons of Fredelon was his father.He married Alix de Grandpré, widow of Godefroi, Count of Durbuy.