FTP, name this son of Dagda, a god of youth and love who is the Celtic equivalent of Adonis.
His foster-father lived in a castle that was guarded by three magical cranes, and owned a famous magic cauldron.  On one of his quests, he was assisted by the king of the Sidi, Bodb.  That quest began when he fell in love with a woman in a dream, whom he eventually found chained to 149 other women in the form of swans.  Though he loved Caer Ibormeith, he also kidnapped the wife of his brother Mider, put her in a glass case and carried her around with him at all times.  He took over the castle Brugh na Boinne from his human father, Elcmhaire, though his real father was a god who had slept with his mother Boann.  His sacred animal was the pig, and he had a magic harp that enchanted all who heard it.  FTP, name this son of Dagda, a god of youth and love who is the Celtic equivalent of Adonis.
His foster-father lived in a castle that was guarded by three magical cranes, and owned a famous magic cauldron.  
Angus or Cengus or Angus Mac Og