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Dictionary of Medieval Names
from European Sources

Knightwine m. Old English cniht 'boy, youth; attendant, retainer; warrior, knight' + Old English wine 'friend'.

England
Latin
1189 Knightwinus (nom) GASurv p. 151, Knihtwine (nom) ibid. p. 116, Knihtwini (gen) ibid. p. 115, Knihtwinus (nom) ibid. p. 182
Cite as: S.L. Uckelman. "Knightwine". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2016, no. 3. http://dmnes.org/2016/3/name/Knightwine.