Graf von Metz et de Homburg. “Folmaro comite eiusdem loci advocato, Gomaro subadvocato...” subscribed the charter dated 1121 under which Etienne Bishop of Metz confirmed the property of Longueville abbey. "…Comes Folmarus, Hugonellus heres et filius meus" subscribed the charter dated 1128 under which "Comes Rainaldus" restored property at Maidières to Liège Saint-Lambert on the advice of "fratris nostri Stephani Metensi episcopi".
He founded the abbey of Beaupré in 1135. A charter dated 1157 confirms the foundation of the abbey of Beaupré “III Kal Mar” 1135 by “Folmarus comes Metensis...conjux eius femina felicis memoriæ comitissa Mathildis sed et filii eorum Folmarus et Hugo necnon et filiæ Clementia, Agnes et Adeleidis”. 1