Which preposition to use with familiaris

in Occurrences 1%

Apuleius Apologia, 523: Pleraque tamen rei familiaris in nomen uxoris callidissima fraude confert, etc.; id., 545, 546 proves further the power of the wife: ea condicione factam conjunctionem, si nullis a me susceptis liberis vita demigrasset, ut dos omnis, etc.evidently the woman was dictating the disposal of her dowry.

Which preposition to use with  familiaris