I find in the web a mail about a "credible Plantagenet ancestral lines that might connect to ancient Judea." dated August 04, 2003. Continuing with this thought, I note that the Foundation for Medieval Genealogy at http://fmg.ac/ in newsletter, vol. 1, issue 2, presents an interesting article by Lindsay L. Brook entitled "The Ebriaci of Pisa, Jewish ancestors of the Plantagents?"
The ancestor of the pisan Pagano Ebriaci was a very famous etruscan/roman family from Pisa named Venulei, one of the first aristocratic roman pagan family converted to the judeo-cristian, who have a branch of the broom "genet plant" as seal.
The family Pagano Ebriaci from Vecchiano were owner of the same buildings inside Pisa (in the Parlascio area) and of the land out-of-town (Vecchiano means Venuleii’s lands).
The Venuleii family from Vecchiano (Pisa, Italy) is well known in academic studies throughout the Mediterranean area (from Spain to the Middle East) for their bricks (fistula acquaria) commerce: members of the family, patrons of the colony of Pisa, were consuls twice of the Western Roman Empire, governor of Caledonia (Britain), pro-consul in Constantinople and commander of the First Legion “Italica”, who built a part of Hadrian's Wall around 135 AD and was stationed at Moesia on the border of the Danube until the end of the Western Roman Empire. Lucius Venuleius Apronianus Octavius Priscus Senator, after a praetorship he took on command of the Legio I Italica, engaged in Nablus (later Iamnia, later Ibelin, today Yavne) to quell the revolt of the Jews, called Bar Kokhba in 132-135 AD. [Elvers, Karl-Ludwig (Bochum). "Venuleius." Brill’s New Pauly. Antiquity volumes edited by: Hubert Cancik and , Helmuth Schneider. Brill Online, 2014]
The Pagano Ebriaci owned buildings (one of them still exist) in the judeo-sefardi area of Pisa toghter with Azzopardi family (from A Safardi) and Da Pisa family (from mi Beth El o min ha Keneset), banker sefardi families documented since 1007, arrived to Pisa with Tito Flavio after 70 AD according to the Jewish Enciclopedia (1906).