Complex sentence: Koenraad Elst (born 7 August 1959) is a Belgian orientalist and Indologist known primarily for his writings in support for the Out of India theory, a controversial proposition that the Indo-European language family originated in India.
Split into simpler sentences: Koenraad Elst (born 7 August 1959) is a Belgian orientalist and Indologist. He is also known for his writings in support for the Out of India theory, a controversial proposition that the Indo-European language family originated in India.