Complex sentence: Among her most fervent admirers was P. G. Orsini, duke of Bracciano, one of the most powerful men in Rome, and her brother Marcello, wishing to see her the duke's wife, had Peretti murdered (1581).
Split into simpler sentences: Among her most fervent admirers was P. G. Orsini, duke of Bracciano, one of the most powerful men in Rome. Her brother Marcello, wishing to see her the duke's wife, had Peretti murdered (1581).