Original: Her sister, Carolina Weidenhayn, (1822-1902), became the first professional female xylographer, who after studies in Paris 1858-1867, became an instructor at the technical school Tekniska Skolan in 1859-1881.
Simplified: 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.