Researchers found evidence of alterations to the painting, indicating it could be the only known live portrait of Lade Jane Grey.

And what’s more – it’s been loaned to the stately home in Silsoe from a private collection, alongside six other paintings including one of Wrest’s most prominent owners Jemima Marchioness Grey (1723-1797). But what of the other Grey?

Experts believe they have uncovered enough evidence to suggest a Tudor-era portrait could be the only known image of Lady Jane Grey painted in her lifetime. She was "the nine days queen", whose brief reign was an unsuccessful bid by Protestants to prevent the accession of her Catholic cousin Mary I (1553 to 1558).

Mystery Solved? Is this the only portrait of tragic teen Queen Lady Jane Grey? - Compelling evidence that a 16th-century painting depicts Lady Jane Grey – the monarch executed in 1554 – in a stunning

Researchers may have found the only known portrait of Lady Jane Grey, which was defaced in an iconoclastic attack.

Peter Moore, from Wrest Park, explains the significance of the discovery.

A portrait, believed to be one of the only paintings of Lady Jane Grey from her lifetime, will be displayed alongside six new historic paintings from Friday. New research from English Heritage and ...