Complex sentence: Haussmann was born in Paris on 27 March 1809, at 55 rue du Faubourg-du-Roule, in the neighbourhood called Beaujon, in a house which he later demolished during his renovation of the city.
Split into simpler sentences: Haussmann was born in Paris on 27 March 1809, at 55 Rue du Faubourg-du-Roule in the neighbourhood called Beaujon. The house in which he was born was demolished during his renovation of the city.