2 John Hamilton b: 10 January 1800 in Franklin Tp., Westmoreland Co., Pa d: 24 December 1881 in Westmoreland Co. Pa.
. +Esther Howell b: 05 January 1811 in Westmoreland Co. Pa m: WFT Est. 1823-1853 d: 27 January 1892 in Westmoreland Co. Pa.
.... 3 Ellen J Hamilton b: 02 March 1837 d: 30 October 1904.
.... 3 David Hamilton b: 04 September 1838 in Westmoreland Co. Pad: Abt. 1915 in Westmoreland Co. Pa.
........ +Mary Jane b: 1843 in Westmoreland Co. Pa d: 1917 in Westmoreland Co. Pa.
.... 3 John Hamilton b: 16 July 1842 d: WFT Est. 1843-1932.
.... 3Elisabeth Hamilton b: 08 May 1844 d: WFT Est. 1845-1938.
.... 3 James Hamilton b: 12 August 1846 in Westmoreland Co. Pa d: WFT Est. 1847-1936 in ?.
.... 3 George T Hamilton b: 12 February 1849 in Westmoreland Co. Pa d: WFT Est. 1850-1939.
.... 3 Hugh D Hamilton b: 18 August 1851 in Westmoreland Co. Pa.
.... 3 Drennen Hamilton b: 18 August 1851 .
.... 3 Samuel Duncan Hamilton b: 30 January 1855 in near Parnassus, Pa d: 24 May 1933 in Lancaster, Pa.
........ +Elizabeth Margaret Mathews b: 20 January 1856 in Pa m: 17 August 1882 in Mathews Residence Nobletown, Pa d: 01 October 1929 in Lancaster, Pa.
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I don't think this is the David in the census because that census is fron Grant township in Indiana CO and his wife was Kate. I see Hugh and Drennen were born on the same day. I wonder if they were twins or they are one person Hugh Drennen Hamilton?.