Complex sentence: Bamber was born to a vicar's daughter who had had an affair with a married army sergeant, a comptroller at Buckingham Palace, and who gave her baby up for adoption in 1961 through the Church of England Children's Society.
Split into simpler sentences: Bamber was born to a vicar's daughter who had had an affair with a married army sergeant, a comptroller at Buckingham Palace. She gave the baby up for adoption in 1961, the year of his birth, through the Church of England Children's Society.