[MODESTINUS libro primo regularum. ] §23.2.24.prIn liberae mulieris consuetudine non concubinatus, sed nuptiae intellegendae sunt, si non corpore quaestum fecerit.
[MODESTINUS in the first book of Rules.] In cohabitation with a free woman, if she has not made gain with her body, not concubinage, but marriage is to be understood.