A German man accused of forcing his stepdaughter to father eight of his children as well as sexually abusing his stepson and daughter goes on trial next week, a court spokesman said on Friday.

The 48-year-old man, named in media reports as lorry driver Detlef S, stands accused of 350 counts of sexual abuse and grievous sexual assault of minors. Between 1987 and 2010, the man is suspected of abusing the trio and even farming the two females out to other men for sexual abuse in exchange for money.