Mark 6:23

And he swore to her that he would give her whatever she asked him--up to half his kingdom.

Acts 23:12

In the morning the Jews combined together, and took an oath that they would not eat or drink till they had killed Paul.

Matthew 14:7

That he promised with an oath to give her whatever she asked.

Matthew 14:9

The king was distressed at this; yet, on account of his oath and of the guests at his table, he ordered 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
That he promised with an oath to give her whatever she asked.
Mark 6:23
And he swore to her that he would give her whatever she asked him--up to half his kingdom.
Acts 23:12
In the morning the Jews combined together, and took an oath that they would not eat or drink till they had killed Paul.