Has your solicitor, or your French avocat or notary proposed that you sign a new will on the basis that you are a British national, and that you can opt for the law of your nationality in order to avoid forced heirship issues under the European Succession Regulation?

See the Press Article : English and EU Articles on The EU Succesion Regulation 2012  and contact Peter immediately if you are affected; you may need to have it redrafted.

If you cannot find it, please use this link:

http://www.overseaschambers.com/media/22262/the%20eu%20succession%20regulation%20of%202012.pdf