Mark 6:23

and he swore to her, Whatever you shall ask of me I will give you, to half of my kingdom.

Acts 23:12

And when it was day, the Jews formed a conspiracy and bound themselves by an oath, saying that they would not eat nor drink till they had killed Paul.

Matthew 14:7

on account of which he promised with an oath to give her whatever she should ask;

Matthew 14:9

And the king was sorry; but on account of the oath, and those reclining with him, he commanded it to be given.

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
on account of which he promised with an oath to give her whatever she should ask;
Mark 6:23
and he swore to her, Whatever you shall ask of me I will give you, to half of my kingdom.
Acts 23:12
And when it was day, the Jews formed a conspiracy and bound themselves by an oath, saying that they would not eat nor drink till they had killed Paul.