I ship
Moomin x Snorkmaiden (Moomin) (Canon)
Karl-Oskar x Kristina (The Emigrants) (Canon: They're already married and have 3 kids)
couldn't find a photo but Captain Lorentz x Finna-Kajsa (The Emigrants) (Not canon)
and lastly, Ash x Serena (Pokemon) (Not Canon)
A lot of people think they're canon