Man-woman relationships 12 Operas 5 Revenge 5 Murder 4 History 3 Mother and child 3 Singers 3 more ... Jealousy 2 Painters 2 Quests (Expeditions) 2 Valkyries (Norse mythology) 2 Aphrodisiacs 1 Betrayal 1 Competitions 1 Desdemona (Fictitious character) 1 Dwarfs (Folklore) 1 English Language Films 1 Giants (Folklore) 1 Gods 1 Grail 1 Iago (Fictitious character) 1 Intermarriage 1 Interracial marriage 1 Iseult (Legendary character) 1 Italian Language Films 1 Kidnapping 1 Knights and knighthood 1 Love 1 Magic 1 Married people 1 less ...