where does the last name abreu originate from
Abreu (surname) The source of the name is debated. The family name has a Portuguese form, and has been explained as being an ancient branch of the house of Normandy[2][3]via the Countship of Évreux, France. It has also been linked to the name Abraham (Portuguese Abraão), the Biblical figure. Some argue that it is an abbreviation of the Portuguese phrase “Abraham The Hebrew” (Portuguese Abraão O Hebreu).
Gilbert (surname) Gilbert is a surname of Germanic origin. The English-language surname is derived from Giselbert, a mediaeval personal name composed of the following Germanic elements gisil ("pledge", "hostage", "noble youth") and berht ("bright", "famous"). This personal name was very popular in England during the Middle Ages. The surname is sometimes an Americanized form of numerous like-sounding Jewish surnames.[1]