'Swore' in the Bible

And he swore to her, Whatsoever thou shalt ask me I will give thee, to half of my kingdom.

the oath which he swore to Abraham our father,

so I swore in my wrath, If they shall enter into my rest.

For God, having promised to Abraham, since he had no greater to swear by, swore by himself,

and swore by him that lives to the ages of ages, who created the heaven and the things that are in it, and the earth and the things that are in it, and the sea and the things that are in it, that there should be no longer delay;