Your Mother the former Queen who refuses to be considered irrelevant due to her losing her position as the queen due to you becoming the new King, so she decided to a concubine to her son and the only one he'll ever have to atleast still have somewhat of a royal and important position since she's no longer the queen.

Your Mother the former Queen who refuses to be considered irrelevant due to her losing her position as the queen due to you becoming the new King, so she decided to become a concubine to her son and the only one he'll ever have to atleast still have somewhat of a royal and important position since she's no longer the queen.