public profile
Son of Józef Groelke and Anna Magdalena Groelke Husband of Małgorzata Groelke Brother of Julius Gottlieb Groelke; Johann Rudolf Groelke; Auguste Mathilde Groelke and Friedrich Wilhelm Grzelka Half brother of Anna Grzelka; Stanisław Franciszek Grzelka; Wilhelm Robert Grzelka and Magdalena Kusche