Dictionary of Medieval Names
from European Sources

Geldulf m. Proto-Germanic *geldą 'reward, gift, money' + Old High German wolf, Gothic wulf 'wolf'.

Belgium
Latin
1106 Geldulfo (abl) CartStBert 2
Brabant
Latin
1312 Geldolphus (nom) JeanIII p. 10, Geldulphi (gen) ibid. p. 10
Cite as: S.L. Uckelman. "Geldulf". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2016, no. 4. http://dmnes.org/2016/4/name/Geldulf.