מַלְכִּיאֵלMalkîyʼêl

proper name, masculine: son of Beriah (of Asher) (Genesis 46:17; Numbers 26:45; 1 Chronicles 7:31)

Pronunciation: mal-kee-ale' · Hebrew/Aramaic (Old Testament) · H4439

Same root

מֶלֶךְmelek · H4428a king
אֵלʼêl · H410strength; as adjective, mighty; especially the Almighty (but used also of any deity)
מַלְכִּיאֵלִיMalkîyʼêlîy · H4440a Malkielite or descendant of Malkiel

Where it appears

Appears 3 times in the Bible.

Genesis 46:17 The sons of Asher were Imnah, Ishvah, Ishvi, and Beriah. Their sister was Serah. Beriah’s sons were Heber and Malkiel.
Numbers 26:45 These were the subclans descended from the Beriites: The Heberites, named after their ancestor Heber. The Malkielites, named after their ancestor Malkiel.
1 Chronicles 7:31 The sons of Beriah were Heber and Malkiel (the father of Birzaith).

Source: Brown, Driver and Briggs, Hebrew and English Lexicon of the Old Testament (1906), public domain; markup by unfoldingWord, CC BY (github.com/unfoldingWord/Brown-Driver-Briggs-Enhanced).