Definition of "unrepented"

He was going to heaven, he said, by the help of St. Francis, who came on purpose to fetch him, when a black angel met them, and demanded his absolved, indeed, but unrepented victim.

1846, Leigh Hunt, Stories from the Italian Poets= With Lives of the Writers, Volume 1‎

To describe a wanderer on the face of the earth, driven hither and thither by pursuing vengeance as the first recorded murderer, the poet was obliged by all the rules of art to put such sentiments into his mouth as accorded with his unrepented crime and his dreadful agonies of mind and soul.

1902, John Lord, Beacon Lights of History, Volume XIII‎