A human female who survived the Reaper War, and who is technically now the reigning monarch of the United Kingdom of Great Britain and Northern Ireland. The only problem is that legally there is no longer any such thing as the United Kingdom of Great Britain and Northern Ireland; all Earth nations are defunct following the Reaper occupation, and the Systems Alliance Transitional Administration on Earth is running the planet.
As reported on CDN
I Will Have My Country Back: Dame Grey makes the news.
Support From Abroad: A salarian interest group backs the claim.