Complex sentence: His tomb is situated in Nizamuddin East on the Mathura road ahead of Humayun's Tomb in New Delhi, it was built by him for his wife in 1598, and later he was himself buried in it in 1627.
Split into simpler sentences: His tomb is situated in Nizamuddin East on the Mathura road near Humayun's Tomb in New Delhi. It was built by him for his wife in 1598, and hsi body was placed in it in 1627.