Good question.
TLR, ping me if this is the serious news-reporting FR thread on KJI, or the "joke thread" with the same worn out Chia jokes with little analysis. I want to get on to the right thread and report in what I hear on an ongoing basis, if possible. I
think I am on the right thread.
By the way, apologies for the Japanese chart, but here is the structure of the Kim Dynasty in terms of succession of the old coot:

You can see the one wife is listed as 死亡 (dead).