When Princess Diana famously told the world in her 1995 Panorama interview that “there were three of us in this marriage,” the public immediately pointed the finger at Camilla Parker Bowles. But according to royal historian Hugo Vickers, that assumption tells only half the story — and perhaps not even the most explosive part.

In the early turbulent years of the royal union, the real third person was not the woman who would later become Queen Camilla, but a protective Scotland Yard bodyguard named Barry Mannakee. Assigned to look after the young, vulnerable Princess of Wales, Mannakee reportedly developed a close, emotionally intimate relationship with Diana at a time when her marriage to Prince Charles was already fracturing under the weight of incompatibility, immense pressure, and mutual doubts.

Vickers reveals that both Charles and Diana entered their 1981 fairytale wedding with serious reservations. Diana, still in her teens and barely acquainted with the heir to the throne — she even called him “Sir” until the engagement — had long harbored a schoolgirl fantasy of marrying her childhood playmate, Prince Andrew. The future Princess of Wales hardly knew Charles, and whispers from those who knew her suggested her fragile emotional state made her an unpredictable choice for the role.

As the marriage rapidly deteriorated, Diana found solace and affection in Mannakee. Their bond reportedly went beyond professional duty, offering the lonely princess the warmth and understanding she desperately craved but could not find within the rigid royal household. However, this secret connection came to a tragic and suspicious end. In 1988, Mannakee died in a mysterious motorcycle accident that many close to the events still find deeply unsettling. The circumstances surrounding his death have fueled speculation for decades — was it truly a random accident, or something more sinister?

Vickers’ latest insights, drawn from decades of meticulous research and close observation of the royal family, paint a far more complex picture of the breakdown than the simplified narrative of “Charles and Camilla versus Diana.” The young princess felt trapped in a loveless union, emotionally isolated, and increasingly paranoid about the forces around her. Her Panorama revelations, while powerful, conveniently omitted her own emotional entanglements while focusing blame outward.

The royal marriage, once celebrated as the wedding of the century watched by millions worldwide, was doomed from the start by mismatched expectations, enormous public scrutiny, and personal insecurities on both sides. Diana’s longing for genuine love and normalcy clashed violently with the ancient institution she had married into. Meanwhile, Charles struggled with his own sense of duty and unresolved feelings from the past.

What makes Vickers’ account particularly compelling is its refusal to paint anyone as a simple villain or victim. Instead, it reveals a human tragedy: two people thrust into an impossible situation, each seeking comfort elsewhere, with devastating consequences that rippled far beyond their personal lives. The mysterious death of Barry Mannakee remains one of the lingering shadows over the entire saga — a stark reminder that the glittering facade of royalty often hides painful secrets, betrayals, and unanswered questions.

Even today, as King Charles III reigns and the monarchy evolves, these early fractures continue to fascinate and divide public opinion. Vickers’ revelations force us to reconsider everything we thought we knew about one of the most famous love stories — and love triangles — of the modern age.