Bloodlines — S.L. Dearing

When Sascha and Eduard Engle flee Nazi occupied Germany and arrive at a small cottage deep in the woods of France, they have no idea what is in store for them or who the kindly old man is who is taking care of them. But on a cold winter the night, they will learn everything they have been yearning to know about their... Bloodlines.

This is a paranormal short story. It was originally published in the anthology, Paranormal Anthology with a Twist. There have been small changes to the story since it's original publication.