Eggebrecht/Ladwig and Dahlman or Daklman

Hello, Could someone please help me. I am looking for information on Frederick Eggebrecht (full name may be Johann Friedrich Heinrich August Eggebrecht) born around 1837 in Prussia and married Marie Hannah Carolina Ladwig born 1841 in Moltzahn. I believe her parents are Hans Fredrick Ladwig born around 1815 in Moltzahn and Helena Dahlman or Daklman born around 1819 in Moltzahn. Frederick Eggebrecht and Marie Ladwig had a daughter Marie Martha Frederika Eggebrecht born January 8, 1874, in Leistnow. She came to America and married Johann Heinrich Friedrich Baack. Can someone please help me with this. Thank you in advance. Garry