étienne and his wife frédévide founded the priory of thin le moutier at porcien. no children are recorded from this marriage. etienne built the castle of mirwart in ivois, and donated property to the abbey of chauvency (near montmédy) after he became paralysed (cause unknown). the "miracula sancti huberti" record that "comes stephanus" donated part of chauvency to saint-hubert in 955. étienne was displaced by otto i, the first count of chiny, in 956.