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Dictionary of Medieval Names
from European Sources

Adela f. Old English æþel, Old High German adal 'noble'.

The name of an 8th C Austrasian saint, two 11th C Norman saints, a 12th C Danish queen consort, and a 13th C queen of France.

England
Latin
1189 Athela (nom) GASurv p. 151, Ethele (gen) ibid. p. 152
France
Latin
c823 Adalia (nom) irminon-vol2 17, Palatiolum; 1079x81 Adela (abl) CartNDSaintes XXI; a1089x1101 Adela (nom) CartStPC XXXIX, Adele (gen) ibid. XXXIX
Old French
1133 Adele (obl) tailliar no. 1
Italy
Latin
1265x1339 Adelaya (nom) BBC-Berg 167
Spain
Latin
875 Adilia (abl) CDCB-XV MMXVI
Cite as: S.L. Uckelman. "Adela". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2015, no. 3. http://dmnes.org/2015/3/name/Adela.