Complex sentence: Born in Herne, North Rhine-Westphalia, Leonie entered the adult industry in September 2005, at 19; in 2006 she became an exclusive actress for the company Videorama, for which she made her own series called "Leonie".
Split into simpler sentences: Born in Herne, North Rhine-Westphalia, Leonie entered the adult industry in September 2005, at 19 years-old. In 2006, she became an exclusive actress for the company Videorama, for which she made her own series called "Leonie".