source: His real date of birth was never recorded, but it is believed to be a date between 1935 and 1939.
target: His date of birth is believed to be between 1935 and 1939.
references: His date of birth is believed to be between 1935 and 1939. His exact date of birth was not recorded but is between 1935 and 1939. There is no record of his date of birth, but it is thought to be between 1935 and 1939. His real birthday was never written but is most likely around 1935 to 1939. His date of birth was not recorded. It is believed to be between 1935 and 1939. His birthdate was never recorded, but was believed to be between 1935 and 1939. His date of birth was never recorded, but it could be between 1935 and 1939. His real date of birth was never recorded, but it is believed to be between 1935 and 1939. His real date of birth was never written down. It is believed to be a date between 1935 and 1939. His birth date may be between 1935-1939.