Translate the following English sentence to French:
"You include a proposal relating to unmarried partners, whose parents and children would be allowed to join them, according to which, testimonies from the country of origin would be enough to satisfy you as to the authenticity of a relationship, regardless as to how it appears."
Vous proposez d'accepter les partenaires non mariés, leurs parents et les enfants qui leur succéderaient, et, selon cette proposition, vous vous contentez de déclarations de témoins dans le pays d'origine pour attester de l'authenticité d'un couple - quelle que soit sa nature.