Complex sentence: Soon the community, essentially formed by Anglicans (and Acatholics in general), needed a burial place for its dead: some historians argue that the foundation of the cemetery was anterior to 1609 G. Panessa, M.T. Lazzarini, La Livorno delle Nazioni.
Split into simpler sentences: Soon the community, essentially consisting of Anglicans (and non-Roman Catholics in general), needed a burial place for its dead. Some historians argue that the cemetery was founded before 1609 G. Panessa, M.T. Lazzarini, La Livorno delle Nazioni.