Revelation 2:20

a few things--omitted in the three oldest manuscripts. Translate then, "I have against thee that," &c. sufferest--The three oldest manuscripts read, "lettest alone." that woman--Two oldest manuscripts read, "THY wife"; two omit it. Vulgate and most ancient versions read as English Version. The symbolical Jezebel was to the Church of Thyatira what Jezebel, Ahab's "wife," was to him. Some self-styled prophetess (or as the feminine in Hebrew is often used collectively to express a multitude, a set of false prophets), as closely attached to the Church of Thyatira as a wife is to a husband, and as powerfully influencing for evil that Church as Jezebel did Ahab. As Balaam, in Israel's early history, so Jezebel, daughter of Eth-baal, king of Sidon (Kg1 16:31, formerly priest of Astarte, and murderer of his predecessor on the throne, JOSEPHUS [Against Apion, 1.18]), was the great seducer to idolatry in Israel's later history. Like her father, she was swift to shed blood. Wholly given to Baal worship, like Eth-baal, whose name expresses his idolatry, she, with her strong will, seduced the weak Ahab and Israel beyond the calf-worship (which was a worship of the true God under the cherub-ox form, that is, a violation of the second commandment) to that of Baal (a violation of the first commandment also). She seems to have been herself a priestess and prophetess of Baal. Compare Kg2 9:22, Kg2 9:30, "whoredoms of . . .

— Jamieson-Fausset-Brown Commentary (public domain)