swagri (Sranan Tongo) comes from Dutch zwager, from Middle Dutch swager, from Old Dutch swāgar, from Proto-West Germanic *swāgr, from Proto-Germanic swēgraz, from Proto-Indo-European swēḱurós, from Proto-Indo-European swéḱuros — father-in-law.
swagri (Sranan Tongo): brother-in-law