Cyclopedia of Biblical, Theological and Ecclesiastical Literature
(Heb. Yaasiel', יִעֲשַׂיאֵל , made by God; Sept. Ε᾿σσιήλ and Ἀσιήλ; Vulg. Jasiel), a Mesobaite, and one of David's body-guard (1 Chronicles 11:47, where the name is Anglicized "Jasiel"); probably the same with the son of Abner and viceroy over Benjamin (1 Chronicles 27:21). B.C. 1046-1014.
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McClintock, John. Strong, James. Entry for 'Jaasiel'. Cyclopedia of Biblical, Theological and Ecclesiastical Literature. https://www.studylight.org/encyclopedias/eng/tce/j/jaasiel.html. Harper & Brothers. New York. 1870.