My father is born and raised French with dual citizen ship (naturalized US). I received dual citizenship based on him. Can my son also gain dual citizenship?

I'm no expert on citizenship, but my understanding is German citizenship can't skip a generation.  My partner is in a similar position (one of her parents was born in Germany but lost her German citizenship when she took up Australian citizenship long before my partner was born) so she doesn't qualify.  So if you or your son's father were not German citizens at the time of your son's birth (and he was not born in Germany) I don't think he qualifies for German citizenship.I wonder how you only got French citizenship at the age of 27?  Do you mean you only realised that you were French and got your passport then?  Or did you actually live in France and got naturalised there?The wikipedia article (https://en.wikipedia.org/wiki/French_nationality_law#Through_parentage_.28right_of_blood.29 ) says that France uses jus soli, but then further down simply says "The child (legitimate or natural) is French if at least one parent is French".  But that wikipedia article doesn't explain the birth thing so it sounds a bit suspicious.  If it's correct though, your son is French, if, as you said, you are French.This site is more about French children born in France, but seems to suggest that children born to one or two French parents outside of France can be French: https://www.loc.gov/law/help/citizenship-birth-country/index.php#france , and seems to contradict the wikipedia jus soli line.   Here's another site that says that "Any child born to at least one parent who is a French national has automatic French nationality (whether born in France or abroad)":  http://france.angloinfo.com/healthcare/pregnancy-birth/registration-nationality/ It looks like France is making it more difficult to retain French citizenship, so you might want to talk to an expert, or at least the embassy:  http://content.time.com/time/world/article/0,8599,1953382,00.html   You probably should register his birth with the embassy if you haven't already.  Remember, you're french.  If you'd been in France and given birth there you would have registered him with the US embassy, wouldn't you?So since both the USA and France, as far as I know, allow dual citizenship, your son sounds like he could have dual American/French citizenship.  But I'm not a lawyer!