1-- John COWAN- ( - ) sp-unknown- ( - ) 2-- David COWAN- ( -1832) sp-unknown- ( - ) 3-- John D. COWAN [Rev.]- ( -1865) sp-Elizabeth KNIGHT- ( -1854) 4-- Robert L. COWAN [Prof.] (BIO)- (1852- ) ,Warrick,IN sp-Maud SLOAN- ( - ) sp-Mary A. BELL- ( - ) 4-- Alex B. COWAN- (1861- )