5 occurrences in 5 dictionaries
Reference: Jaasiel
Easton
made by God, one of David's body-guard, the son of Abner (1Ch 27:21), called Jasiel in 1Ch 11:47.
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Hastings
The 'ruler' of Benjamin (1Ch 27:21), probably identical with 'the Mezobaite' of 1Ch 11:47.