Dictionary of Medieval Names
from European Sources

Alker m. Old High German alah 'sanctuary' + Old High German heri 'host, army'.

France
Latin
c823 Alkerus (nom) irminon-vol2 61b, CE
Cite as: S.L. Uckelman. "Alker". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2017, no. 1. http://dmnes.org/2017/1/name/Alker.