'Blood stained' in the Bible

During David's reign there was a famine for three consecutive years. So David inquired of the Lord. The Lord said, "It is because of Saul and his bloodstained family, because he murdered the Gibeonites."

And you will defile your carved images overlaid with silver, and your cast images plated with gold. You will scatter them like a bloodstained cloth, and will say to them, “Be gone!”

"Now, Son of Man, will you truly judge that blood-stained city? Then make her aware of all of her detestable practices.