3 occurrences in 3 dictionaries
Reference: Jecamiah
Fausets
One of seven, apparently sons of Neri, of Nathan's line (as was Salathiel, Lu 3:27), introduced into the royal line when Jehoiachin had no child who succeeded to the throne (1Ch 3:17-18). Jeconiah's son Assir left a daughter probably, who according to the law of heiresses (Nu 27:8; 36:8-9) married a man of a family of her paternal tribe, namely, Neri descended from Nathan, David's son. Shealtiel, Malchiram, etc., sprang from this marriage.
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Morish
Jecami'ah
Descendant of Jeconiah. 1Ch 3:18.
Smith
Jecami'ah
(whom Jehovah gathers), one of seven who were introduced into the royal line, on the failure of it in the person of Jehoiachin.