Therefore Herodias had a quarrel against him, and would have killed him; but she could not:
Berean Study Bible (BSB) - Mark 6:19 >So Herodias held a grudge against John and wanted to kill him. But she had been unable,
Textus Receptus (TR) - Mark 6:19 >Ἡ δὲ Ἡρῳδιὰς ἐνεῖχεν αὐτῷ, καὶ ἤθελεν αὐτὸν ἀποκτεῖναι· καὶ οὐκ ἠδύνατο·