5 occurrences in 5 dictionaries
Reference: Ard
Easton
descent, a grandson of Benjamin (Nu 26:38-40). In 1Ch 8:3 he is called Addar. His descendants are mentioned in Nu 26:40.
Hastings
Benjamin's son in Ge 46:21, but his grandson in Nu 26:40 = 1Ch 8:3 (Addar). Patronymic Ardites (Nu 26:40).