People who died at the age of 52

• John Ker
• Stefano Landi
• Cornelius Jansen
• Dodo Knyphausen
• Helius Eobanus Hessus
• Francesco II Gonzaga, Marquess of Mantua
• John Stafford, 1st Earl of Wiltshire
• John VI, Duke of Brittany
• Katherine Swynford
• Emperor Fushimi