Complex sentence: Some obituaries (e.g. BBC Online) incorrectly stated his year of birth as 1931, the British Film Institute website provides definitive year of birth as 1927, based on a check of the birth and marriage certificates held at the Family Records Centre, London.
Split into simpler sentences: Some obituaries (e.g. BBC Online) incorrectly stated his year of birth as 1931. The British Film Institute website provides definitive year of birth as 1927, based on a check of the birth and marriage certificates held at the Family Records Centre, London.