sentences:  In 1862 he became a Freemason in "Les vrais amis", and in 1871 joined "La libre pensée".At the same time, he was a member of "de Veldbloem" and "Vlamingen vooruit", two Flemish organisations of the Flemish movement.Together with his brother in law, Leo Van der Kindere, the later mayor of Uccle, he became a "flamingant".