Some research on the theme of Child Owlet that I completed in Terre Celtiche Blog, the article is in Italian https://terreceltiche.altervista.org/child-owlet/
Comparison between Owlet and Hippolytus (Greek myth Phaedra and Hippolytus)
I found death by dragging horses also in the Piedmontese-Provençal ballad Prinsi Raimund. Here the roles are reversed, the tragic heroine is the beautiful Mariunsin, who has no fault but that of having rejected the wishes of the husband's brother and is punished by her husband blinded by jealousy who prefers to believe in the slander of her brother, rather than to his wife's fidelity.
Among the various punishments reserved for traitors, that of quartering is the most horrendous, work of macabre butchery in which the quartering had the primary purpose of extracting the entrails of the guilty to burn them, just as it was done with the entrails of animals offered on the altar. In the Middle Ages the torture was widespread in France for the offenders of regicide, practiced by tying the four limbs of the condemned to as many horses. Execution Execrated by the Illuministe (and replaced with the Guillotine)
In the Church we have a handful of saints who have suffered this torture: St. Hippolyte venerated in the church of Saint-Hippolyte built in Paris in the Middle Ages; Saint Hippolytus of Porto, the protector of the city of Gioia Tauro (see the cult of Artemis and Hippolytus) [6] and Saint Hippolytus of Rome, the antipope.