John Gray1800–?الجدول الزمنيBirth15 Sep 1800, Monkton and Prestwick, Ayrshire, ScotlandDeath0العلاقاتالإخوة والأخواتJanet Gray (1803–?)Robert Gray (1802–?)الوالدانRobert Gray (1778–?)Mary Gray (1781–?)المصادرwikitree Gray-50327