He is the father of Katherine Roberts and husband of Florence.Houston was always loved to hunt for humans. He met Shane and Avon in college. Shane told him that he needs to stop killing people. Houston turned against them and he created his own coven. He called his coven Deathwalkers. Houston met Florence who he falls in love. He turned her into a vampire.
In the Retribution, Houston founds out the blood hunters are heading to New York. He moves his coven to Arizona also Johnny. Houston and Johnny decided to work with Avon and Louis to stop the hunters.