LUDWIG LINSTAEDT-GGGRANDFATHER

I found the name Ludwig Linstaedt on the death certificate of my greatgrandfather, Frederick Linstaedt. He married Emilie Pauline Leddin.I have found them in church records. Their children were born at Wangerin,Regenwalde, Pommern, Germany. I have found several of the childrens christening records. Frederick and Emilie with their children came to the USA in 1886 to Minnesota.I would like to know more about Ludwig. Were there other children?Where were they born, where did they live, where did they die, when, ????????