David Simpson1840–1875সময়রেখাBirth19 Jul 1840, Greenwood, INDeath1 Apr 1875, Johnson Co., INসম্পর্কবিবাহMartha Surface (1846–1881)সন্তানDavid Simpson (1875–1949)Charles Simpson (1868–1934)উৎসwikitree Simpson-10827