On 9 December 1862, Peter Rapp provided a sworn statement to the Probate Court in Dane County, Wisconsin which identifies him, his wife, and all of their children as having been the heirs of his son, Israel Rapp, deceased.

Father = Peter Rapp

Mother = Susan Rapp

twelve brothers and sisters -

   William Rapp of Dane County, Wisconsin

   Owen Rapp of Dane County, Wisconsin

   Solomon Rapp of Dane County, Wisconsin

   Casper Rapp of California

   John H. Rapp of California

   Esther, wife of Wm Rumstay of Richland County, Wisconsin

   Hannah, wife of Thos Larch of Northampton County, Pennsylvania

   Sarah, wife of J.B. Clowe of Dane County, Wisconsin

   Susan Rapp of Dane County, Wisconsin

   Julia Rapp of Dane County, Wisconsin

   Lydia, wife of Andrew McFarland of Dane County, Wisconsin

   Mary Rapp of Dane County, Wisconsin, aged 16 years.