'Own' in the Bible

and from Jesus Christ -- the faithful witness, the firstborn from among the dead, the ruler over the kings of the earth. To the one who loves us and has set us free from our sins at the cost of his own blood

They were singing a new song: "You are worthy to take the scroll and to open its seals because you were killed, and at the cost of your own blood you have purchased for God persons from every tribe, language, people, and nation.

because his judgments are true and just. For he has judged the great prostitute who corrupted the earth with her sexual immorality, and has avenged the blood of his servants poured out by her own hands!"