Kurt Hitzeman sent the following information from his typed notes of the transcriptions that he made years ago from the records of First Immanuel Lutheran Church in Chicago.

 Marriage

1 Oct 1864   Christ. Fried. Wilh. Rohn b. 6 Jan 1833 in Spandikow, Preussen
   Johanna Carol. Doroth. Pagels, b. 29 Dez 1846 in Guzkow, Preussen.
 
(Kurt clarified "the abbreviations were not mine... they were in the church book I believe".) The 1833 birth may actually have read 1832; see below.
 
Baptism
 
Heinrich Carl August
born 29 Jun 1873, bap. 16 Jul 1873.
father:  Wilhelm Rohn
mother: Caroline Pagels.
Baptism sponsors: Marie A. D. Rohn,  Wilhelm Schulz, Carl Schwanebeck
 
When I asked Kurt to check the 1833 birth of William, he sent the following:
 
I have an email from Martin Sohn dated 21 Jan 2004, in which he shows a baptism record for "Wilhelm Johann Christian" son of Wilhelm Johann Rohn, daylaborer in Spantekow, age 24 married 23 Apr 1831 in Spantekow to Marie Stegemann, age 26.    The child was born "6 Jan 1832, bapt. on 29 Jan.   The next child, Johann Friedrich was born 10 Nov 1833, bapt. on Dec. 1.