Princess Latifa is the daughter of Dubai ruler Sheikh Mohammed bin Rashid al Maktoum. She attempted to flee in 2018.
She attempted to escape her family three years ago by trying to sail across the Indian Ocean – but was brought back to Dubai in what the royal family say was a rescue mission after she was tricked by criminals seeking money.
The sheikh, a powerful and influential man regularly seen alongside heads of state such as the Queen, has previously said she is safe and well. The family say they wish to maintain her privacy.
Brought back to Dubai, Sheikha Latifa was held in a jail cell and then a royal villa – one with bars on the window, surrounded by guards.
Latifa tells Cambridgeshire police this could help free Princess Shamsa, who was captured on the orders of their father.
Shamsa, who was just 18 then and is now 39, has not been seen in public since.
The UN has since asked the United Arab Emirates for proof that Latifa is alive.
But almost two decades earlier, an attempt by her older sister to flee the family also ended in capture and imprisonment.
In August 2000, around 2 months after escaping from her father’s Longcross Estate in Surrey, Shamsa was forcibly taken from Cambridge, flown by helicopter to France and then by private jet back to Dubai.
Latifa’s handwritten letter, which was passed to the Cambridgeshire force by her friends on Wednesday, urges action for her sister by British authorities. It was written in 2019 while she was being held in solitary confinement in a “jail villa”.
“All I ask of you”, writes Latifa, “is to please give attention on her case because it could get her her freedom… your help and attention on her case could free her.”