9 . ▁Another ▁edition ▁is ▁in ▁the ▁Pat ro log ia ▁Lat ina , ▁t ome ▁cx li , ▁of ▁J . ▁P . ▁M igne ▁( Par is , ▁ 1 8 4 4 ), ▁but ▁the ▁best ▁is ▁perhaps ▁the ▁one ▁edited ▁by ▁J . ▁La ir ▁( Ca en , ▁ 1 8 6 5 ). ▁ ▁D udo ▁claims ▁that ▁Richard ▁I ▁of ▁Norm andy ▁was ▁sent ▁by ▁his ▁father ▁William ▁I ▁Long s word ▁to ▁learn ▁the ▁" D aci an " ▁language ▁with ▁Both on . ▁It ▁is ▁generally ▁accepted ▁that ▁D udo ▁er red ▁and ▁meant ▁Dan ish ▁– ▁that ▁is , ▁in ▁the ▁same ▁passage ▁he ▁states ▁that ▁the ▁inhabitants ▁of ▁Bay e ux ▁more ▁often ▁spoke ▁" D aci an " ▁than ▁" R oman " ▁( i . e . ▁Old ▁French ). ▁ ▁Notes ▁ ▁Edition ▁and ▁translation ▁La ir , ▁Jules ▁( ed .). ▁De ▁mor ibus ▁et ▁act is ▁prim orum ▁Norm anni æ ▁duc um . ▁M ém oires ▁de ▁la ▁Société ▁des ▁Anti qu aires ▁de ▁Norm and ie ▁ 2 3 . ▁Ca en , ▁ 1 8 6 5 . ▁PDF ▁scan ▁available ▁from ▁Google ▁Books . ▁Christians en , ▁Eric . ▁( tr .). ▁ ▁D udo ▁of ▁St ▁Qu entin . ▁History ▁of ▁the ▁Norm ans . ▁Wood bridge , ▁ 1 9 9 8 . ▁. ▁ ▁Further ▁reading ▁D ü m ml er , ▁Ernst . ▁Zur ▁Krit ik ▁D ud os