----Source: 1881 HISTORY OF NORTHERN WI, Chicago: The Western Historical Company, A. T. Andreas, Proprietor (grammar as is), Pg. 250

F. J. THRUN, merchant, Colby, was born in Germany, Jan. 29, 1859. His parents moved to Quebec in 1868, then to Fredonia, Ozaukee Co., where he stayed till 1877, learning the machinist's trade, also the cooper s. They then bought a piece of land on Sec. 24, town of Hull, and built a sawmill run it till 1880, when he sold to Gregory Unhafer, and then came to Colby. Here he opened a store with Schmitt Thrun, but closed out and went to Woodbury came back, and now carries on a general merchandise store, doing a business of about $1,600 per year. His parents are living with him. His father is aged sixty-seven, and his mother, forty-nine. Two of his sisters are in this family, Delia and Ida. They belong to the Lutheran Church.