Klaus and you ware force to marry and have a kid (Slaks) by your parents. One day in your castle come vampire hunters you, Klaus and Slaks (your child) try to run but vampire hunters managed to pierce your child with an arrow in the chest after that they run away. Klaus crouch down with Slay (Slay is Slaks nickname) im his arms.

Slay: "Mom, dad... If i die... please don't cry..."