Philip, Duke of Mecklenburg Doberan Minster. Philip, Duke of Mecklenburg Philip, Duke of Mecklenburg, sometimes called "Philip I" (12 September 1514 - 4 January 1557) was a Duke of Mecklenburg-Schwerin. He was the youngest son of Henry V, Duke of Mecklenburg, and Helen of the Palatinate, a daughter of Philip, Elector Palatine. As a result of an injury at a tournament he was mentally ill for many years. After Henry V's death in 1552, he lived at the court of Duke Ulrich of Mecklenburg in Güstrow, where he died. Whether he ruled actively is questionable in the light of his disability. He was buried
Prince Philip, Duke of Edinburgh In October that year, he accompanied the Queen to the wedding of their granddaughter Princess Eugenie to Jack Brooksbank, with "The Daily Telegraph" reporting that Philip works on a "wake up and see how I feel" basis when deciding whether to attend an event or not. Philip played polo until 1971, when he started to compete in carriage driving, a sport which he helped expand; the early rule book was drafted under his supervision. He was a keen yachtsman, striking up a friendship in 1949 with Uffa Fox in Cowes. He and the Queen regularly attended Cowes Week in HMY