Evangelical-Lutheran Church in Württemberg
He was the son of the bookseller Hermann Theodor Liesching (1821–1871) and Caecilie Susanne Luise Regenbrecht (1840–1915), and was a member of the Evangelical-Lutheran Church in Württemberg. After attending high school in Stuttgart, he studied law in Tübingen and Breslau. In Tübingen he was a member of the Coburger Convent der akademischen Landsmannschaften und Turnerschaften. Liesching practiced law in Stuttgart in 1890–91 and in Tübingen from 1891 to 1917. From 1917 to 1918 he served as senior executive at the Württemberg Embassy in Berlin.