Which preposition to use with indissolubility

of Occurrences 5%

Society is a group of families, not of individuals, and domestic life is the foundation, preparation, and pattern for social life, Comte praises the family, the connecting link between the individual and the species, as a school of unselfishness, and approves the strictness of the Catholic Church in regard to the indissolubility of the marriage relation.

Which preposition to use with  indissolubility