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Dictionary of Medieval Names
from European Sources

Arngisl m. Old Icelandic ǫrn 'eagle' + Old Icelandic gísl 'hostage'.

Sweden
Latin
1350 Eringislonis (gen) SDHK no. 6015, Æringisloni (dat) ibid. no. 6042
Old Swedish
1383 Æringislo SRA-vol2 no. 1947
Cite as: S.L. Uckelman. "Arngisl". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2016, no. 3. http://dmnes.org/2016/3/name/Arngisl.