Translate the following English sentence to French:
"The European People's Party has always upheld the concept of the family, the basic unit of society, as the basis for European construction and the Christian values from which it stems require that it be respected."
Le parti populaire européen a toujours estimé que le concept de la famille, en tant que noyau fondamental de la société, constitue la base de la construction européenne et que les valeurs chrétiennes dont il s'inspire en imposent le respect.