Looking for relatives maybe Froso Jamtland

[Kathryn Yates]

Hi,  I am searching for relatives in Sweden.  My grandfather came from Froso Jamtland his name is Olof Fredrik Pehrsson born July 2 1860 Froso Parish record Jamtland Sweden.  He came to America with wife Mareth and daughter Martha born July 15 1881 Froso Parish. Left from Trondheim May 24 1882 on Ship Hero.  Mary died 1912 it was said on my mothers orphanage records  Olof returned to Sweden 1903 or abt.  Thankyou for any help.  Kathryn