The house that produced the current "Beelzebub", it was one of the highest-ranking families among the 72 Pillars until the events of Volume 6. The next heir was supposed to be Diodora Astaroth, but he betrayed the Devils and sided with Khaos Brigade and was later killed by Shalba Beelzebub, leaving the current heir unknown. Due to Diodora Astaroth's actions of siding with the Khaos Brigade, the House of Astaroth lost many of their privileges.
Prior to Diodora's betrayal, Astaroth territory also had the most popular institute for taking the promotion test for Low-Class Devils to rise up to Middle-Class. They also had good ties with the House of Vassago, however, the current relationship between the two is unknown.
A stadium built in the Astaroth's territory to commemorate Ajuka for the Azazel Cup. It is a stadium with a very modern design and used some unknown technology. The corridors are equipped with automatic cleaning robots and it has many kinds of facilities. The waiting rooms are very spacious, with no problems for human-like beings entering, or giant-like beings.
The clan symbol of the Astaroth resembles a capital "A" with a curved trail like design and is green in color.
The only known members of the Astaroth Clan are Diodora Astaroth and Ajuka Beelzebub.
- In demonology, Astaroth is a Crowned Prince of Hell and Duke of Hell who rules over 70 legions of demons. He teaches mathematical sciences and handicrafts, can make men invisible and lead them to hidden treasures, and answers every question formulated to him. He was also said to give to mortal beings the power over serpents.