Laymia

is Lamia's mother and seems to be one of Behemoth's closest advisors and the one in charge of the 34 Pillar Division before Jabberwock's return. Although her daughter sides with Beel, she is one of the main architects in the plot to kill Oga and deprive the demon baby of his Contractor. She is a tall woman with an unfathomable expression who is seen heading a meeting of the Squad's generals.

Relationships
her relaionships are not described latley, but we find out soon and give you the answer.