Bible Verses About Martyrdom: Forewarned of

The brother also shall deliver up the brother to death, and the father the son; and the children shall rise up against their parents, and shall put them to death.

Then shall they deliver you up to be afflicted and shall put you to death: and you shall be hated by all nations for my name's sake.

They will put you out of the synagogues: yea, the hour cometh, that whosoever killeth you will think that he doth a service to God.