'Otherwise' in the Bible

Otherwise if I had dealt falsely against his life (and there is no matter hid from the king), then thou thyself wouldest have set thyself against me .

Otherwise it will come to pass, when my lord the king shall sleep with his fathers, that I and my son Solomon shall be counted offenders.

For a multitude of the people, even many of Ephraim and Manasseh, Issachar and Zebulun, had not cleansed themselves, yet did they eat the passover otherwise than it is written. For Hezekiah had prayed for them, saying, The good Jehovah pardon every one