John Hopper1880–?नाम और उपनामJohn A HopperसमयरेखाBirth1880Death0रिश्तेभाई-बहनStephen Hopper (1882–1971)Frances Hopper (1883–?)माता-पिताAmos Hopper (1857–1890)Sarah Wilson (1856–?)स्रोतwikitree Hopper-2454