ROHDE family from Prechlau, mid 1800s

I am looking any information on the following family living in and around
Prechlau, West Prussia during the mid 1800s.

Martin Christopher ROHDE (or RHODE)
m.
Rosa SAWATZI (spelling uncertain) b. June 1829

Children:

Anna ROHDE b. 1852
m.
August MECHALKE

Albert ROHDE b. 1855
m.
Albertina DUMER

Martin Christian RHODE, 1856 - Before 1917
m.
Otilga MUCHLENBECK, b. 1859

Cashmere ROHDE, b. 1860

Joseph RHODE, b. between 1860-1865
m.
Augusta THON, b. December 1857

Gottlieb ROHDE, b. 1868 or 1869
m.
Elizabeth KUKENBACKER, b. August 1866

Gustave ROHDE, September 04, 1871-August 24, 1961
m.
Bertha GOSPODARECK, June 02, 1872-October 24, 1964

Mary M. ROHDE, b. April 1875
m.
Charles KRUCKOW b. May 1872

The parents and children expect for Anna and Albert immigrated to the
Elmira, NY area of the United States over a number of years from ~1880 to
~1890.

Thank you for your help.

-Robert Rohde