They gamely presented a united front in the aftermath of the Duke of Edinburgh’s funeral, strolling side by side and chatting amiably as they emerged from St George’s Chapel into the sunshine. But the Duke of Sussex, 36, was afforded a rare opportunity to have a proper heart to heart with his brother, the Duke of Cambridge, his father and his grandmother on Saturday, as they returned to the confines of Windsor Castle. There, a couple of hours after the ceremony, when most other guests had melted away, senior members of the Royal family spent around an hour together, face to face for the first time in more than a year. There, reunited in grief and in their support for the Queen, Prince Harry is understood to have spent valuable time with Her Majesty, Prince Charles, the Duchess of Cornwall and the Duke and Duchess of Cambridge. It was the first time they had been together under one roof since the Commonwealth Service at Westminster Abbey last March, when the frostiness and the tension was palpable.