Cohen is a widely spread Jewish surname derived from the Hebrew word kohen, meaning "priest". It originates from the biblical, hereditary caste of priests, known as Kohanim (plural), who are traditionally believed to be direct patrilineal descendants of Aaron, the brother of Moses. It is the most common surname in Israel and has many spelling variants.

The surname Bergmann is of German origin, translating directly to "mountain man" or "miner". It originated in the Middle Ages as an occupational surname for someone who worked in a mine, or a topographic surname for someone living on or near a mountain or hill (derived from Berg, meaning "mountain," and Mann, meaning "man").

Origin Location: Primarily Germanic (Germany, Austria), but also found in Sweden and Ashkenazi Jewish traditions.