Following this letter one of the Masonic Brothers whom Pierre respected less than the others forced his way in to see him and, turning the conversation upon Pierre’s matrimonial affairs, by way of fraternal advice expressed the opinion that his severity to his wife was wrong and that he was neglecting one of the first rules of Freemasonry by not forgiving the penitent.
There are no more uses of "matrimony" in the book.
Show samples from other sources
Carlotta stepped back, to better deliver the truth that, when she contemplated holy matrimony, made her heart beat faster.
Piper Kerman -- Orange Is the New Black
I haven’t been to visit him at his condo in several days, but I hear from him that he and Liv have been shopping for their matrimonial bed, each of theirs a bit too historied for the spending of restful nights.