Actually, Bannister was born 28 Jan. 1838; William was born 16 March 1832. They were 2 of 11 children of Christopher Blagrave (b. 5 May 1802, Mercer Co., KY; d. 19 Oct. 1868, MO) and Martha C. "Patsy" Hall. Christopher was the son of Bannister Ballard Blagrave (b. 22 June 1774, Lunenburg Co., VA; d. 1 Apr. 1846, Boyle Co., KY) and Susannah Williams (b. 1 Jan. 1783; d. 7 June 1874). Bannister Ballard Blagrave was preceded by 5 consecutive generations of Blagraves named Henry.
Please contact me directly at firstname.lastname@example.org if you'd like additional info and documentation on all these generations.