Being French. You can claim French Citizenship if at least one of your parents is French, or in some cases French-born. The requirements are different according to the agreements and treaties between France and your home country. Any French consulate or French Embassy abroad will provide you with the list of requirements.
If you have a French Passport, you might require a US visa to travel to Jersey.
Any person, newborn or otherwise, who wishes to obtain a French passport in the UK, will have to consult the French embassy.
passeport
No you will have to have a Australian passport.
You must always use a valid American passport when entering and departing the US even if you are a dual citizen.
Yes
son passeport
un passeport (masc.)
tchad
no
Strictly speaking, as the UK and France are both in the EU, you don't need a passport to travel to France. However, you will need a passport on your return to the UK. To be absolutely certain, you should check with the French Embassy.