Queen Mary, who came from a relatively humble royal background, but was picked as a future queen consort by Queen Victoria. At first she was betrothed to Prince Eddy, heir to the throne. But when Eddy died she was unceremoniously passed to his brother George.
Despite the arranged marriage, King George and Queen Mary had a loving relationship. Mary revered the monarchy and obeyed her husband in all things - even the length of her dresses. She always put duty and service first. But when King George died in 1936, this once rigidly formal character emerged as a determined if eccentric royal matriarch with a mind of her own.
The hits and the highlights from WGBH