We're trying to register my wife, born in UK to a French mother, as a French citizen. The link below shows the guidance but I'm not sure whether we need a translated copy of her parents' UK marriage certificate or whether the English one will suffice. They seem to take English untranslated copies of birth certificates.

Anyone know?

Copie de l’acte de mariage étranger des parents, le cas échéant, légalisé ou apostillé, traduit en français ET
copie des actes de naissance des parents :
 britannique : certified copy of an entry of birth (et non pas le certificate of birth) (1) (2)
 français : copie intégrale datant de moins de trois mois
 autres nationalités : copie intégrale datant de moins de six mois accompagnée de sa traduction en
français ou en anglais par un traducteur assermenté, le cas échéant, légalisée ou apostillée (1) (3)

The last four tick boxes on this document I'm not sure about either, if anyone has any experience of this, i.e. what's necessary and what is only if applicable.

https://uk.ambafrance.org/IMG/pdf/tran_-_liste_maj...

High level guidance: https://uk.ambafrance.org/Naissance-22334

I think I can actually help with this.

I've recently been through the process of registering myself (UK born Frenchie) and my two kids. Next on the list is a Visa for my wife and then we're all off to Perpignan to try out the French life.

What I found I needed was the copie integral of the acte de naissance for me, which seemed to be a transcription of what information is held by France on me. It seems based on the information my parents provided when they registered me. To register my kids I needed to get certified copies of their UK birth certificates and my marriage certificate (you can get these from a gov.uk site, I think they're about £14 each). I also sent my livret de famille, as in the one which shows my birth information. All our information was transcribed from English to French and added to my shiny new livret de famille.

Then I sent everything I had and everything else I could think of to them and it all got sorted. They did send my dossier back twice because I didn't have the acte de naissance, but then I found out you can request that online and it's a pretty easy process.

One thing that really helped was my local honorary consul. Look up on the amba France website, you may have a local French volunteer who can guide you through the process. In most places you can't request much stuff there, but you can pick up new ID cards, etc. Our local lady in Chester is very helpful and responds to emails quickly. She helped me enormously through the whole process.

It's a complicated process and I'm not sure if I've explained it well. Feel free to drop me a PM and I will help as much as I am able.

FWIW in Deux Sevres I needed a certified translation of my birth certificate for the titre de sejour. More paper is nearly always the answer! If you can answer every request with the 'right' piece of paper it all goes swimmingly!

The translations have to be 'officially' certified. So Google is your friend to find a company with the correct certification.. There were certainly a number to chose from in my area.