Complex sentence: Yayati was the second son King Nahusha, of the Aila dynasty, son of Ayu, the eldest son of Pururavas and Prabha, the daughter of Svarbhanu.
Split into simpler sentences: Yayati was the second son King Nahusha, of the Aila dynasty. He was the son of Ayu, the eldest son of Pururavas and Prabha, the daughter of Svarbhanu.