|Easton's Bible Dictionary|
Jehovah-swearing, the daughter of Jehoram, the king of Israel. She is called Jehoshabeath in 2 Chronicles 22:11. She was the only princess of the royal house who was married to a high priest, Jehoiada (2 Chronicles 22:11).
Int. Standard Bible Encyclopedia
je-hosh'-e-ba, je-ho-she'-ba (yehoshebha`, "Yahweh is an oath"): Called "Jehoshabeath" in 2 Chronicles 22:11; daughter of Jehoram king of Judah, possibly by a wife other than Athaliah (2 Kings 11:2). According to 2 Chronicles 22:11, she was the wife of Jehoiada, the priest. She hid Jehoash, the young son of King Ahaziah, and so saved his life from Queen Athaliah.
Jehosheba (2 Occurrences)
2 Kings 11:2 But Jehosheba, the daughter of king Joram, sister of Ahaziah, took Joash the son of Ahaziah, and stole him away from among the king's sons who were slain, even him and his nurse, and put them in the bedchamber; and they hid him from Athaliah, so that he was not slain; (WEB KJV JPS ASV BBE DBY WBS YLT NAS NIV)
2 Chronicles 22:11 But Jehoshabeath, the daughter of the king, took Joash the son of Ahaziah, and stole him away from among the king's sons that were slain, and put him and his nurse in the bed-chamber. So Jehoshabeath, the daughter of king Jehoram, the wife of Jehoiada the priest--for she was the sister of Ahaziah--hid him from Athaliah, so that she slew him not. (See NIV)