Complex sentence: She soon convinced her husband to move to Paris in 1882, where his brother-in-law Ramón Subercaseaux was the Chilean consul and was married to Amalia Errázuriz, herself a famous painter's model.
Split into simpler sentences: She soon convinced her husband to move to Paris in 1882. Her brother-in-law Ramón Subercaseaux was the Chilean consul there and was married to Amalia Errázuriz, herself a famous painter's model.