Esias 14:20

20 As a garment defiled with blood shall not be pure, so neither shalt thou be pure; because thou hast destroyed my land, and hast slain my people: thou shalt not endure for ever, — an evil seed.

Esias 14:20 In-Context

18 All the kings of the nations lie in honour, man in his house.
19 But thou shalt be cast forth on the mountains, as a loathed carcase, with many dead who have been pierced with swords, going down to the grave.
20 As a garment defiled with blood shall not be pure, so neither shalt thou be pure; because thou hast destroyed my land, and hast slain my people: thou shalt not endure for ever, — an evil seed.
21 Prepare thy children to be slain for the sins of their father; that they arise not, and inherit the earth, nor fill the earth with wars.
22 And I will rise up against them, saith the Lord of hosts, and I will destroy their name, and remnant, and seed: thus saith the Lord.

The Brenton translation of the Septuagint is in the public domain.