• His reminiscenses on FamilySearch titled "Sondre Sanders Memories, as recorded by his son Peter James Sanders" confirms that he arrived in Utah in 1850.  That account can be read on the following website:

  https://familysearch.org/photos/artifacts/21702754?returnLabel=Sondra%20Sanders%20Sr%20(KWNL-M5S)&returnUrl=https%3A%2F%2Ffamilysearch.org%2Ftree%2F%23view%3Dancestor%26person%3DKWNL-M5S%26section%3Dmemories

  Further research is needed to determine the name of the pioneer company he traveled to Utah with.

Company Unknown (1850)

• Age at Departure: 20

Sources

• 1860 Utah Census.
• Find a Grave (Website)