Proper noun
Adelard
A male given name of historical usage.
Adelard of Bath, b. ca 1080
Barlow English Church 1000–1066 pp. 298–299 footnote 7 While at Canterbury he promoted the cult of Dunstan, ordering the writing of the second Life of Dunstan, which Adelard of Ghent composed between 1006 and 1011. Source: Internet