Ihturiel Drama Whores

That could work. Does Horus also holds jelousy towards Amunet since she is Ra's bride/mate? Also, depending how the Slave Claim with Dominicus will go Nephthys may or may not need saving from his grip.
Nephthys and Setekh will have a thread previous to the Slave Claim and he might attempt to save her. We are still figuring things out but in the end nothing is set in stone, it all depends how it will develop. The siblings might also have a thread so all of them can reunite set previous to the Slave Claim.