Complex sentence: Scott was born in 1954, the son of John, Earl of Dalkeith (later 9th Duke of Buccleuch) and his wife, Jane ("née" McNeill), and was baptised with Princess Margaret as one of his godparents.
Split into simpler sentences: Scott was born in 1954, the son of John, Earl of Dalkeith (later 9th Duke of Buccleuch), and his wife, Jane ("née" McNeill). He was baptised with Princess Margaret as one of his godparents.