In 1851 , she made a study-trip to Paris with her teacher Carl Gustaf QvarnstrÃ m and her brother Pehr Henrik . In 1851 , she made a study-trip to Paris with her teacher Carl Gustaf QvarnstrÃ m ( 1810-1867 ) and her brother Pehr Henrik , were she worked with the sculptor Toussaint , the printmaker Barre and her maternal uncle , the medal designer Johan Salmson .