4 occurrences in 4 dictionaries
Reference: Hemath
Easton
a Kenite (1Ch 2:55), the father of the house of Rechab.
Fausets
Morish
He'math
One called 'the father of the house of Rechab.' 1Ch 2:55. See also HAMATH.
Smith
He'math
(heat), a person or place named in the genealogical lists of Judah, as the origin of the Kenites, and the "father" of the house of Rechab.
(B.C. 1445.)