I am looking for a date of death for Peter and wife. Immigrated from Treptow, Pommern, Prussia abt 1858 to Thiensville, WI. They moved to Ahnapee (Algoma) Kewaunee Cty, WI abt 1861. They then moved to Sumter Twp, McLeod Cty, MN abt 1875. They are listed in the 1880 census in Mcleod Cty with daughter and son-in-law Names in family: Dorothea Wife 1806 William 1835 Ferdinand 1836 Friedrich 1839 Wilhelmine 1846
Wilhelmine married Charles Fredrick Richard in 1861 in Ahnapee and moved to McLeod County abt 1875.Parents accompanied them.