If you are talking about the language, it's been around for about 12,000 years so far.
If you are talking about the people, we've been around for at least 4000 years as an identified group.
The last name Graves has no definition in Hebrew.
three months
Foreign names have no meaning in Hebrew, but if you are asking how to write it, it would be קסי
No, it is not. No Hebrew name can begin with F.
"daf" (דף) is the Hebrew word for "page" or "sheet"
There was no "last hebrew leader". There are still many Jewish leaders in the world. The most prominent as of 2011 is Binyamin Netanyahu.
Kim is a seaweed or its a korean last name that means gold
No, but it could be a Jewish last name, depending on the family.
Hebrew?
Hebrew
akharon (אחרון)
Devon comes from an Old English last name. It has no Hebrew translation.