The Régiment Royal was a

French Army The French Army, officially known as the Land Army (french: Armée de Terre, ), is the land-based and largest component of the French Armed Forces. It is responsible to the Government of France, along with the other components of the Armed Force ...

regiment A regiment is a military unit. Its role and size varies markedly, depending on the country, service and/or a specialisation. In Medieval Europe, the term "regiment" denoted any large body of front-line soldiers, recruited or conscripted ...

that had been enlarged by renaming and uniting older regiments. At the time, the régiment de l'Altesse and the régiment Royal became one. The regiment Royal was first started 1656 by the Duke d'Arpajon.Nous étions le Nouveau Monde, Jean-Claude Germain, Hurtibise, p145 2009

References

{{DEFAULTSORT:Regiment Royal Military units and formations established in 1644 Military units and formations disestablished in 1791 Infantry regiments of the Ancien Régime