Imaam Dhahabee (rahimahullaah) stated that Salamah Bin Alqamah relates from Ibn Seereen (rahimahullaah) who said: Imraan Ibn Hattaan married a khaarijiyyah (a female khaarijite) and said, ‘’I will bring her back’’ (i.e. make her leave her misguidance). Ibn Seereen (rahimahullaah) said: ‘’However, she converted him to her way.’’

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[Source: Hukm Ash-Sharee’ah Fee Az-zawaaj Min Ash-Shee’ah. Page: 27. Also see Siyar Alaam An-Nubulaa 4/214]