Falisolle was one of the possessions which were ceded around 650 CE to the monastery of Fosses by Itta, the widow of the Mayor of the Pepin of Landen Palace.
The locality remained in the hands of the group until the end of the Ancien Régime and designated a dependency of Liège.
In 1219 CE, Arnold of Morialmé consolidated his privileges in Falisolle, Vitrival and Auvelais-le-Voisin in his position as advow; At the time representing one-third of the fees paid if he was called upon to collect.
A 15th century record states that the Falisolle advow also benefited from the assize's taille, although he did not have a judicial role.
Of those who lived in Falisolle, the Count retained right of tax and property, municipal duties and horse charges.