 1882) and Nella ( Thacher) Longstreth, who married in 1917.William C. Longstreth owned the Longstreth Motor Car Company and his family lived in Haverford, Pennsylvania, and was affluent until the Wall Street Crash of 1929.Thacher was a cousin of President Herbert Hoover and his maternal grandmother, Ella Hoover Thacher was the president of the Woman's Christian Temperance Union for many years.