Although some scholars believe it could be the same element *gran, that is recognised in Guernsey (Greneroi 11th century),[26] it most likely derives from the Gaulish god Grannos.[27] This location is closer to Bayeux, where Gregory of Tours evokes otherwise the Saxones Bajocassini (Bessin Saxons), which were ineffective against the Breton Waroch II in 579.[28][29]