The traditional gods, from Heracles and Dionysus up to Zeus and Cronos and even ouranos, were simply old-world rulers and benefactors of mankind, who had, by their own insistence or the gratitude of their subjects, been transferred to the ranks of heaven.
"Five Stages of Greek Religion"
Gilbert Murray
Thus, drops of the blood of ouranos falling on Earth begat the Melies, usually rendered 'Nymphs of the Ash-trees.
"Modern Mythology"
Andrew Lang
It was from the blood of ouranos, or of Saturn, dripping into the sea and mingling with its foam, that Venus was formed, to become the mother of her heroic posterity.
"The Eliminator; or, Skeleton Keys to Sacerdotal Secrets"
Richard B. Westbrook