Complex sentence: He was born in the Isle of Man to English parents, the twin brother of Robin Gibb and younger brother to Barry, best known as a member of the singing and songwriting trio the Bee Gees, which was formed with his brothers.
Split into simpler sentences: He was born in the Isle of Man to English parents, the twin brother of Robin Gibb and younger brother to Barry. He is best known as a member of the singing and songwriting trio the Bee Gees, formed with his brothers.