A German brother and sister who have four children together are calling for the country's incest laws to be abolished so that they can continue their sexual relationship.
Patrick Stubing and his sister Susan ? who grew up separately ? have had three of their children taken into foster care.
Two of the children have disabilities although it is not known if these are due to inbreeding or because they were born prematurely.
Stubing spent two years in prison for incest and faces another jail term unless the legislation is overturned.
The couple's supporters said the law is archaic and harks back to the Third Reich's obsession with racial purity.
They want Germany to follow the example of countries such as France, Belgium and the Netherlands where incest is no longer punishable.
The siblings were born into the same family but Patrick was not living with them when his sister was born.
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