There are many ways to apply for German citizenship and Rotunno offers the best solutions to every single type:
Jus Sanguini Citinzenship
This type of citizenship is transmitted from parents to their children.
German citizens who may have lost their nationality during 30/01/1933 and 08/05/1945 through political, racial or religious causes are entitled to renaturalization as well as their children.
Jus Soli Citinzenship for children born in Germany from a foreign parent
In 2012, priviliged conditions were created for naturalization of those born before 01/01/1975 as a child of a German mother married to a foreign father, if when the child was born the mother was either a German national or may have lost her nationality from marrying a foreigner, in accordance with the law at the time, or that may have lost her German nationality before the marriage through expatriation during 1933 and 1945.