The Question and Answer section for Agamemnon is a great resource to ask questions, find answers, and discuss the novel.
A series of complex questions arise in the wake of Agamemnon's murder. Most of them are introduced by the Chorus. We might usefully think of this as the beginning of a kind of internal interpretation. The repercussions of Clytaemestra's action...
I think this would relate to the house of Agamemnon.
She claims she has been faithful.