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Need help with your genealogical research?

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We offer an Assistance Service
for your genealogical research.

Submit your requests on a Demers you are looking for, another Demers may have the answer….

Just fill out the form below and send your request

To our genealogist members

For members who would like to do genealogical research in part of our database, it is now possible to do so online via Heredis, until September 19, 2023. The online publication extends over 11 generations, starting with Jehan Dumoys & Marguerite Berservoyse.

You must first create a free Heredis Online account: Heredis Online. Then, ask for the link and password to access the database at

If the experience proves conclusive, we can extend this way of doing things with ad hoc updates.

The site is available in French only.