As for Princess Chang'an, that is even simpler: she is the cousin of Qin Hu's cousin. Once Qin Hu dies, the Champion Marquisate's vast estate will naturally fall entirely into the hands of that cousin.
These various factions, each taking what they needed and colluding with one another, quickly joined forces just like that...
Truly, entering the gates of a noble house is as deep as the sea. There really are plenty of people who want him dead.
Chapter 977