Complex sentence: Yun Won-hyung was a writer, philosopher, politician from an aristocratic family and by maternal relation to the Royal family of Joseon Dynasty, his family was Papyung Yun clan (파평윤씨, 波平尹氏).
Split into simpler sentences: Yun Won-hyung was a writer, philosopher and politician from an aristocratic family and a maternal relation of the Royal family of theJoseon Dynasty. His family was of the Papyung Yun clan (파평윤씨, 波平尹氏).