Rowa Cha

Rowa was the leader of the 2nd family before Cindy and later, a Royal knight under king Numan. He became a sentient bloodsucker during his time as a royal knight and had to flee the vampire town.

When he learnt about a drampire (Erin) in the 10th, he attacked the family and killed most of it's members around the castle including Edward. King Numan pesonally killed him using up what little power he had left.