Prisoned his opponents on the council and tried to arrange for an attack on Dublin. But there was no harmony among his subordinates, his military plans failed and soon all parties were tacitly ignoring him. Leaving Kilkenny he stayed for some time in Galway, and in February 1649 he left Ireland. After visiting Rome he returned to Fermo in 1650 and died on the 5th of December 1653.
See G. Aiazzi, La Nunziatura in Irlanda (Florence, 1844), English translation as The Embassy in Ireland, by A. Hutton (Dublin, 1873); and S. R. Gardiner, History of the Great Civil War, vols. iii. and iv. (1905).