A member of the Bonnycastle family, his great-grandfather, Sir Richard Henry Bonnycastle, was a Lieutenant-Colonel in the Royal Engineers, and supervised building in Kingston, Ontario, Saint John, New Brunswick, and other Canadian cities.
Richard Henry Bonnycastle (1791–1847), officer of the British army active in Upper Canada
Through his son, Henry William John Bonnycastle (1813–1888) would come a prominent Bonnycastle family of Canadian politicians and adventurers and the founder of Harlequin Enterprises, the world's largest publisher of romance novels.
Richard Nixon | Richard Wagner | Henry VIII of England | Henry VIII | Henry Kissinger | Richard Strauss | Henry Wadsworth Longfellow | Henry II of England | Richard Branson | Henry II | Cliff Richard | Henry III of England | Henry IV of France | Henry IV | Richard Gere | Henry | Richard Burton | Richard Hammond | Henry Ford | Henry James | Richard | Richard Dawkins | Henry VII of England | Henry III | Henry Moore | Henry Miller | Henry I of England | Henry Clay | Henry IV of England | Patrick Henry |