Biography

He was a Belgian geneticist and professor of human genetics.

He graduated in 1967 from the Department of Medical Sciences of the Catholic University of Leuven and then did five years research on human genetics at Stanford University in the United States.

In 2004 he proved that the heart that had been kept in Paris belonged to Louis XVII.

In 1998 Professor Cassiman proved through DNA testing that Karl Wilhelm Naundorff was not a descendant of the Bourbons and certainly not Louis XVII.

In the first half of the 1960s, he was a singer in the Trio Cassiman that he together with his brother Guido and his sister Emmy formed. The trio played folk music and negro spirituals, and was regularly seen on the Flemish podiums. When Jean-Jacques came to America after his studies, he ended his singing career, and kept his day job.