Possible Clues:

• Jessica of Sin City
• Jessica of “Sin City”
• Goya's 'Duchess of __'
• Provencal love song
• Scotland not getting its own back in Balkan country
• Goya's "Duchess of ___"
• Scotland, in Scottish Gaelic
• Jessica of 'The Veil'
• ___ Longa (birthplace of Romulus and Remus)
• 'Machete' actress Jessica