Thomas Kingston, a British businessman, is the husband of Lady Gabriella Windsor, daughter of Prince and Princess Michael of Kent. Prince Michael is a cousin of Queen Elizabeth II, making Lady Gabriella a distant cousin of Catherine, Princess of Wales (formerly Kate Middleton). This familial link through the British royal family forms the basis of their relationship.
Understanding this connection provides insight into the complex web of relationships within the British aristocracy and the extended royal family. It illustrates the social circles and interactions of the Princess of Wales, and offers a glimpse into the broader context surrounding the monarchy. Exploring such connections can illuminate the historical and social dynamics of the British royal family and its place in contemporary society.