Mark 6:23

And he swore unto her, That whatsoever thou shalt ask, I will give thee, even to the half of my kingdom.

Acts 23:12

Then as soon as it was day, some of the Jews forming a conspiracy, bound themselves under the direst imprecation, declaring that they would neither eat nor drink till they had killed Paul.

Matthew 14:7

so that with an oath he promised to give her whatever she should ask.

Matthew 14:9

And the king was grieved: but for his oath's sake, and on account of those who were with him, he commanded it to be given her.

Treasury of Scripture Knowledge

Summary

Or if a soul swear, pronouncing with his lips to do evil, or to do good, whatsoever it be that a man shall pronounce with an oath, and it be hid from him; when he knoweth of it, then he shall be guilty in one of these.

Bible References

To do evil

Matthew 14:7
so that with an oath he promised to give her whatever she should ask.
Mark 6:23
And he swore unto her, That whatsoever thou shalt ask, I will give thee, even to the half of my kingdom.
Acts 23:12
Then as soon as it was day, some of the Jews forming a conspiracy, bound themselves under the direst imprecation, declaring that they would neither eat nor drink till they had killed Paul.