The lost one

When Finn became deadly sick as a baby, Esther begged for Dahlia's help once again. The deal was to give Dahlia her youngest child in exchange for the boy's health. At the time, Esther believed her sister was only joking, and that she would never take her eldest daughter and her still born-to-be child from her. Esther was wrong, as it was soon proved by Dahlia taking Freya, and no matter how hard she tried to prevent it, her youngest child was also taken from her.
Nineteen years old Freya has much to say about that, managing to snatch her brother away and to send him to the future, but in her desperation she ended up losing track of where exactly.
It was 1847 and the Salvatores had just lost their only son to a harsh cold when a toddler appeared on their doorstep.