Defendant Detlef S. arrives before the pronouncement of judgement at the district court in Koblenz March 22, 2011. The 48-year-old German Detlef S. from the village of Fluterschen in western Germany was accused of sexually abusing his step-daughter for more than two decades and fathering at least seven children by her. He is also accused of abusing his own daughter and a step-son, and forcing both daughters into prostitution. He is believed to have committed the abuse between 1987 and 2010. Detlef S. on Tuesday was sentenced for 14 years and six months of prison. REUTERS/Torsten Silz/Pool (GERMANY - Tags: CRIME LAW) IMAGE PIXELLATED AT SOURCE