The three kingdom Wei,Shu and Wu. The middle part of the period, from 220 and 263
,Was marked by a more military stable arrangements between three rival states Wei,
and Wu.The later part of this period was marked by the collapse of tri parts situation.
First the overthrow of Wei by the Jin Dynasty and the destruction of Wu by Shu.Shu was
the most powerful kingdom in the northern Dynasty.
Years later Emperor Gongming the 7th Emperor of Shu state was enthroned.After some years of his enthronement the Empress was unable to give birth to a prince which threatened Emperor Yihua's(Emperor Gongming) authority , The Empress giving birth to only three princesses without a prince was said to no longer be able to give birth, being married to the Emperor since he was a crown prince the Emperor respect and honor her alot.The minister and Empress Dowager then decide on choosing a consort Queen for the sake of the Empire lineage.
Hearing this the Emperor of Bailan state,(Bailan state is the most powerful and wealthy kingdom in the southern Dynasty and is the only state that can rival the Shu state),the Bailan an Shu state are Neighbouring kingdoms due to the peace treaty between them. The Current Empress Dowager of SHU state was a princess of Bailan state and also the Auant of the Emperor of Bailan state, their ties has always been maintained due to the Empress Dowager effort. So the Emperor of Bailan state decided to make a proposal to marry the only princess(Princess Fuyao) and sister of the Emperor of Bailan state to Shu state.