After conducting a new analysis, some researchers think it may be the only portrait of Grey created during her lifetime—a conclusion that has generated controversy

Researchers believe they may have identified the only known portrait of Lady Jane Grey, the so-called “Nine Days Queen,” painted before her death.

She was Queen of England for just nine days before being executed at age 17, marking the shortest reign in British history. Now new research suggests a portrait that has gone on display in Britain could be the only image of Lady Jane Grey painted in her lifetime,