Prince John was the fifth son and youngest of the six children of King George V and Queen Mary. At the time of his birth, his father was heir apparent to John's grandfather Edward VII. Wikipedia
Born: July 12, 1905, York Cottage, United Kingdom
Died: January 18, 1919 (age 13 years), Wood Farm, United Kingdom
Buried: January 21, 1919, St. Mary Magdalene Church, United Kingdom
Grandparents: Edward VII, Alexandra of Denmark, Princess Mary Adelaide of Cambridge, and more
Parents: George V and Mary of Teck
Great-grandparents: Queen Victoria, Prince Albert of Saxe-Coburg and Gotha, Christian IX of Denmark, and more