Genealogical records in the Old Occitan Chronicle of Montpellier in Le petit Thalamus de Montpellier indicate that Alphonso's relationship with his mistress, Giraldona Carlino, produced three children: His successor in Naples, King Ferdinand I of Naples, (b.
Catatan genealogi di Oksitan kuno Chronique de Montpellier di Le petit Thalamus de Montpellier menunjukkan bahwa hubungan Alfons dengan kekasihnya, Giraldona Carlino, membuahkan tiga orang anak: Penerusnya di Napoli, Raja Ferrante I dari Napoli, (b.