Complex sentence: During his last years, Couperin lived in the organist's lodgings at St. Gervais with his two brothers, and died on 29 August 1661, aged thirty-five according to "Le Parnasse François".
Split into simpler sentences: During his last years, Couperin lived in the organist's lodgings at the St. Gervais church, with his two brothers. He died on 29 August 1661, aged thirty-five according to "Parnasse François".