I have an Elizbeth Link born on 13 April 1813 in Germany and died on 14 Dec 1887 in Pittsburgh, PA. While still in Germany, she married Martin Diethrich born on 11 Oct 1804 in Schweighoffen, Bavaria, Germany and died 14 Sept 1848 in Pittsburgh, PA. They had the children John, Martin, Elizabeth, Jacob, Michael, Catherine, Louis, Louis, Frances, John Joseph. They emigrated before 1833 to Pittsburgh, PA and were closely connected to Holy Trinity Church of Pgh. Try the Diocese of Pgh. Catholic Archives.