My sister's husband is der Mann meiner Schwesterin German.
seine Schwester is the translation in German. It is translated from English to German. German is mostly spoken in the European countries.
Schwestern
in spanish you say husband "marido" in french you say husband "mari" and in German you say "ehemann" if i didnt translate to one of the languages you wanted go to babelfish.com
Schwestern sind ärgerlich is the translation in German. It is translated from English to German. German is mostly spoken in the European countries.
sisters in law
I have brothers and sisters = ich habe Geschwister I have (3) brothers and (2) sisters = ich habe (3) Brüder und (2) Schwestern
She is your sister-in-law.
I cannot see why not. There is no blood relationship between you and your sisters ex-husband.
sister in law
Brother-in-law.
brother-in-law
your brother-in-law :)
Your sister-in-law.