Complex sentence: Aphrodite sheltered Adonis as a new-born baby and entrusted him to Persephone, who was also taken by Adonis' beauty and refused to give him back to Aphrodite.
Split into simpler sentences: Aphrodite sheltered Adonis as a new-born baby and entrusted him to Persephone. Persephone was also taken by Adonis' beauty and refused to give him back to Aphrodite.