Who is Cyprian Wiley?

Nathaniel Ignatius Falkrahn, Lord of Ettenvale

Frederick Ambrose Quentill, Marquess of Grettenwald

Julian Alfred Pankratz, Viscount de Lettenhove

Casimir Elias Trenthoff, Viscount of Blackwater

Dandelion's full name?

Not demanding, gave it up to any man standing, early in the morning!

Tight at night, she'd be loose come 'morrow, early in the morning! 

Ploughed with pleasure and drank with sorrow, till early in the morning!

The questions only relate to the base game without expansions. It's possible that there will be quizzes about the expansions in the future.