4 occurrences in 4 dictionaries
Reference: Joshbekashah
Hastings
A son of Heman (1Ch 25:4,24). There is reason to believe that this and five of the names associated with it are really a fragment of a hymn or prayer.
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Smith
Joshbek'ashah
(a seat in a hard place), son of Heman, head of the seventeenth course of musicians.
(B.C. 1014.)