Meaning
(1) A "son"of Peresh; a Manassite clan (1Ch 7:16, 1Ch 7:17). Lucian reads Elam.
(2) A descendant of Benjamin who had sons, "mighty men of valor" (1Ch 8:39, 1Ch 8:40). The Septuagint's Codex Vaticanus has Ailam in 1Ch 8:39 and Aileim in 8:40; Codex Alexandrinus has Oulam in both verses, and so Lucian.