Dhampir: A Unique Race Option (5e)

From the introduction: Dhampir: Born from the union of mortal and vampire, the dhampir come into the world infused with undead power but alive. Dhampir typically cannot sire or bear children themselves although there are rare exceptions to this, typically aided by powerful magic. While the dhampir share many traits as a whole, they also differ from one another based on the cursed nature of their vampiric parent.