Her sister , Carolina Weidenhayn , ( 1822-1902 ) , became the first professional female xylographer , who after she studied in Paris 1858-1867 , became an instructor at the great technical school Tekniska Skolan in 1859-1881 . Her sister , Carolina Weidenhayn , ( 1822-1902 ) , became the first professional female xylographer , who after studies in Paris 1858-1867 , became an instructor ( 1859-1881 ) at the technical school Tekniska Skolan ( now Konstfack or University College of Arts , Crafts and Design ) in Stockholm , Sweden .