De Porta is a topographic byname/surnameIris Shagrir, "The Medieval Evolution of By-naming: Notions from the Latin Kingdom of Jerusalem", In Laudem Hierosolymitani (Shagrir, Ellenblum & Riley-Smith, eds.), Ashgate Publishing, 2007, pp. 49-59; p.55 literally meaning "by the gate". Notable people with the name include:
Benveniste de Porta Hugo de Porta Ravennate
References