Both were middle-class commoners when they married into their respective royal families.
So, perhaps comparisons between Queen Mary and our own Princess of Wales were inevitable.
Queen Mary of Denmark donned the Danish palace s Emerald set for the first time in her debut royal portrait as Queen consort. The set is only ever worn by the queen.
Following the succession of the throne in January, the Danish royal household has released the first official gala portrait of Frederik, 55, and Mary, 52, which will hang on the walls of staterooms.
The latest birthday portrait of Queen Mary of Denmark s eldest daughter Princess Isabella has been released - and it features a detail many often fail to pick up on.