Princess Anne has suffered memory loss due to head injuries sustained during an accident involving one of her horses. According to the Daily Telegraph , the royal will spend a second night in hospital after the accident at her Gloucestershire estate, Gatcombe Park, in the United Kingdom. She was hospitalised after an accident thought to involve a horse left her with a concussion, further straining Britain’s royal family as health problems continue to limit public appearances by the King and the Princess of Wales.

The King’s 73-year-old sister was injured yesterday while walking at her Gatcombe Park estate in southwestern England, Buckingham Palace said today NZT. The cause of Anne’s injuries wasn’t clear, but doctors said her injuries were consistent with an impact from a horse’s head or legs. “The King has been kept closely informed and joins the whole royal family in sending his fondest love and well-wishes to the Princess for a speedy recovery,” the palace said in a statement.

The accident is just the latest health scare to hit the House of Windsor in recent months, with both Charles and Prince William’s wife, Kate, undergoing treatment for cancer. That has limited the royal family’s ability to keep up a full slate of public appearances, with Anne and Queen Camilla taking on more engagements as Charles and Kate focused on their health. Anne, in particular, will be missed as she was the hardest working member of the royal family last year.

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