The Poemani were an ancient Gallaecian Celtic tribe, living in the center-north of modern Galicia, in the Terra Chá's county. It seems attractive to view a possible comparing with a gaulish tribe in the Ardennes forest. It can consult usefully a work of reference: Auguste BAILLET(1858) 'Etude de la division des Gaules' in Bibliothèque de l'Ecole des Chartes on the site www.persee.fr
References
Poemani Wikipedia(Text) CC BY-SA