Charles’s sons Robert and Philip landed in Sicily, but after capturing Catania were defeated by Frederick, Philip being taken prisoner (1299), while several Calabrian towns were captured by the Sicilians.
Putra-putra Charles, Robert dan Philippe mendarat di Sisilia, namun setelah menangkap Catania dikalahkan oleh Fidiricu, Philippe dijadikan seorang napi (1299), dan beberapa kota Calabria ditangkap oleh bangsa Sisilia.