Hi Bonnie,
I have a lot of ancestors in Behrenwalde and around there too like Sund -Schmidt.
Here I have the marriage of
Knaak, Joachim Christian Theodor -parents Johann Joachim Knaak and Maria Dorothea Ortmann in Leplow
married 11. Oct 1857
Schütt (Schuett) Johanna Maria Dorothea -parents Carl Christoph Schütt and Catharina Maria Schult in Rönkendorf (Roenkendorf)
Their second child was Friederike Dorothea Johanna Knaak born 14.Sept 1859 -godparents Johann Knaak in Leplow - Maria Dorothea Knaak nee Ortmann - Marie Muss nee Knaak.
Joachim Knaaks parents married 17.Sep 1826:
Johann Joachim Knaak in Leplow - his parents Christian Philipp Knaak and Anna Sund in Koitenhagen
married
Ortmann, Dorothea Maria - her parents Christian Ortmann and Anna Maria Wendt in Behrenwalde
Perhaps it may be helpful
Happy new year 2014 and
best whishes Doris from Berlin
dorlis@gmx.net