86. “With inner joy and deep comfort, the Church looks to the families who remain faithful to the teachings of the Gospel, encouraging them and thanking them for the testimony they offer. For they bear witness, in a credible way, to the beauty of marriage as indissoluble and perpetually faithful. Within the family ‘which could be called a domestic church’ (Lumen Gentium, 11), individuals enter upon an ecclesial experience of communion among persons, which reflects, through grace, the mystery of the Holy Trinity. ‘Here one learns endurance and the joy of work, fraternal love, generous – even repeated – forgiveness, and above all divine worship in prayer and the offering of one’s life’ (Catechism of the Catholic Church, 1657)”.(Relatio Synodi 2014, 23)
Foundational Church teaching here: the domestic church. This is a community that forms people–not just children–in virtue.
For your reference, remember that Amoris Laetitia is online here.