Dee ihe ga-aga n'ihu na paragraf a - A mụrụ D. H. Hill na Hill's Iron Works, na York District, South Carolina nye Solomon na Nancy Cabeen Hill. Nna nna ya, Ọchịagha William "Billy" Hill, bụ onye Ireland nke nwere ebe a na-agbanye ígwè na mpaghara York ebe o mere egbe maka ndị agha Continental. Nna nna ya bụ onye Scotland. Hill gụsịrị akwụkwọ na United States Military Academy na 1842, na-ahọpụta 28 n'ime 56 cadets, ma họpụta ya na 1st United States Artillery. Dịka onye isi ndị agha na-agba ọsọ, o gosipụtara onwe ya na agha Mexico na America, na-eme ka ọ bụrụ onye isi maka obi ike na Agha nke Contreras na Churubusco.
, e mekwara ya onyeisi ndị agha maka obi ike o gosipụtara n'agha Chapultepec. N'ime ndị ohu ndị ezinụlọ Hill nwere n'oge ntorobịa Daniel Harvey bụ Elias Hill, onye Daniel Harvey nyeere aka ịkụziri ịgụ na ide ihe ma mesịa bụrụ onye nkwusa ma duru ọgbakọ ya ịkwaga Liberia.