Joseph Shriver (1806-1886) m. Henrietta Clauster / Causten, dau of James Caustin of DC . Their son: Henry Shriver (1841- 1898) a druggist in Cumberland,Allegany, MD married SARAH VAN LEAR PERRY born c1845 in Cumberland, Maryland. Who is Sarah Van Lear Perry? I can't find her parents, grandparents. Is her Van Lear a middle name or a maiden name of a widow?Any clues appreciated.