Complex sentence: Sanders was born at 6:00 am in Saint Petersburg, Russia at number 6 Petrovski Ostrov, of English parents, Henry Sanders (1873-1961) and Margaret Sanders (1875-1967).
Split into simpler sentences: Sanders was born in Saint Petersburg, Russia at number 6 Petrovski Ostrov. His English parents were Henry Sanders (1873-1961) and Margaret Sanders (1875-1967).