Probably the same as 'Achiy; Echi, an Israelite -- Ehi.
see HEBREW 'Achiy
H278. Echi
אֵחִי proper name, masculine a son of Benjamin Genesis 46:21 (P) (perhaps corruption of אֲחִירָם Numbers 26:38 (P); so also אַחֲרַח 1 Chronicles 8:1 compare אַחֵר 7:12 & comm.)
אחל (existence & meaning dubious)