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Dictionary of Medieval Names
from European Sources

Sisulf m. Old High German sisu 'lament, song' + Old High German wolf, Gothic wulf 'wolf'.

Spain
Latin
954 sisulfus (nom) CDGH XLVII
Cite as: S.L. Uckelman. "Sisulf". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2019, no. 1. http://dmnes.org/2019/1/name/Sisulf.