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In the part of this I didn't write down, she has to stay to say the queen is dead and the child is "gone" also ... and let the impostors be self-deceived.

My brain is trying to write this out into a longer story...

It's clear being the messenger of the bad news is her task as well. Hopefully, the one who left with the child can be trusted. The circle of those who know the child left is getting bigger.
Success with writing the story.

No ... the circle is only three ... the midwife, the realm's oldest knight (and bravest, if I write it), and his wife.