I. Friendship These two families were very large at that time, and Wang Fu was also a prominent family in the imperial court, which was quite popular with the king. Moreover, the personal title of King Jing is very high, which can be said to be a very powerful voice in the imperial court. The relationship between Wang Fu and Jiafu is a simple friendship, but there are secrets behind this seemingly simple friendship. King Jing likes to associate with Jia Baoyu very much. Under the pretext of inviting Jia Baoyu to have tea for fun, he instilled some political thoughts in Jia Baoyu to achieve his own goals.
Second, political relations If you say "A Dream of Red Mansions", you will know that Jia Baoyu is a very abstinent person. He never served in the imperial court and was too lazy to participate in those political affairs. King Jing of Beijing has a good relationship with Jia Baoyu. King Jing often instilled some political content in Jia Baoyu under the guise of drinking tea, so that Jia Fu was robbed of his property later, and King Jing was the culprit. Therefore, there is no doubt that the relationship between the two families is not just as simple as friends, but also politically related.
Wang Fu was also a very prominent figure in the imperial court at that time. The personal title of King of Beijing is very high. He often invites Jia Baoyu to drink tea and pay attention to some political thoughts. The two families are also friends.