2 Chronicles 21:2

Overview - 2 Chronicles 21
Jehoram, succeeding Jehoshaphat, slays his brethren.
His wicked reign.
Edom and Libnah revolt.
12 The prophecy of Elijah against him in writing.
16 Philistines and Arabians oppress him.
18 His incurable disease, infamous death, and burial.
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2 Chronicles 21:2  (King James Version)
And he had brethren the sons of Jehoshaphat, Azariah, and Jehiel, and Zechariah, and Azariah, and Michael, and Shephatiah: all these were the sons of Jehoshaphat king of Israel.

Jehoshaphat was certainly not king of Israel, but of Judah: {Yisral} must therefore be a mistake for {Yehoodah;} which is
the reading of thirty-eight of Dr. Kennicott's and De Rossi's MSS, and of the Syriac, Arabic, Septuagint, and Vulgate.
4 ; 12:6 23:2 2 Chronicles 24:5 2 Chronicles 24:16 2 Chronicles 28:19 2 Chronicles 28:23 2 Chronicles 28:27 33:18 35:18