With senses clear, though sorely tried, The royal vulture thus replied, While as he sank beneath his pain Forth rushed the tide of blood again. “Him, brother of the Lord of Gold, Viśravas’ self begot of old.” Thus spoke the bird, and stained with gore Resigned the breath that came no more.

In plain words: Still clear in mind despite his pain, Jatayu says Ravana is the son of the sage Vishravas and brother of Kubera, the Lord of Wealth. Then, bleeding, he takes his last breath.