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Dictionary of Medieval Names
from European Sources

Donadei m. Latin donum 'gift' + Latin dei 'of God'.

France
Latin
814 Donadeus (nom) StVdM-II G4; 1378 Donadei (gen) hanquetvol1 277
Spain
Latin
1019 Donadeo (abl) CDCB-XV MMCLXXIV, Donadeu (nom) ibid. MMCLXXIV
Cite as: S.L. Uckelman. "Donadei". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2018, no. 1. http://dmnes.org/2018/1/name/Donadei.