בַּלְאֲדָןBalʼădân

proper name, masculine: father of מְרֹדַךְ בַּלְאֲדָן king of Babylon (2 Kings 20:12; Isaiah 39:1)

Pronunciation: bal-ad-awn' · Hebrew/Aramaic (Old Testament) · H1081

Same root

בֵּלBêl · H1078Bel, the Baal of the Babylonians
אָדוֹןʼâdôwn · H113sovereign, i.e. controller (human or divine)

Where it appears

Appears 2 times in the Bible.

2 Kings 20:12 Soon after this, Merodach-baladan son of Baladan, king of Babylon, sent Hezekiah his best wishes and a gift, for he had heard that Hezekiah had been very sick.
Isaiah 39:1 Soon after this, Merodach-baladan son of Baladan, king of Babylon, sent Hezekiah his best wishes and a gift. He had heard that Hezekiah had been very sick and that he had recovered.

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).