Parallel
Mark 6:19
Nestle 1904 Greek New Testament · Berean Standard Bible
Ἡ δὲ Ἡρῳδιὰς ἐνεῖχεν αὐτῷ καὶ ἤθελεν αὐτὸν ἀποκτεῖναι καὶ οὐκ ἠδύνατο
So Herodias held a grudge against John and wanted to kill him. But she had been unable,