16: Regalis dei Falchi -New Name (NP)
Language/Culture (1100s-1200s Norman Sicily) most important.
Meaning (A falconer in the court of Roger III of Sicily) most important.
[Regalis] - found on the list `South Italian Names from the Norman Kingdom, 11th-12th Centuries' https://s-gabriel.org/names/giano/normanitalian.html
Attested to the book "Kinship and Conquest, Family Strategies in the Principality of Salerno during the Norman Period, 1077-1194" by J.K. Drell, available online at http://bit.ly/3Ap1KtM
Byname is meant to be "of the hawks"
Spelling [dei] is found 17 times in OSCAR which submitter hopes to use as precedent
[Falchi] found on the list 'A Listing of Family names from the Condado Section of the Florence Catasto of 1427' https://www.s-gabriel.org/names/juliana/condado/familyalpha.html