The Queen was once a half-elf whose father was from one of the three royal lines of Asmodeous the First, and her mother was an elf whose lineage traced her family back to the dragons themselves. She represents the powers of ea ch of the three nations, and is likely the only person who can keep the peace that had rained since those troubled centuries. When she was in her mid thirties she entered the trials, and transformed the final bits of her body into a dragonborn. This has meant that she has proven herself beyond simply her lineage.
However - with the mysterious death of the last King, and the machinations around the Scro war, her position is percarious, and many of the nobility bear her a grudge.