daughter-in-law, sister-in-law
sister-in-law
sister-in-law (wife's sister)
Моя́ золо́вка за пять лет родила́ четверых дете́й.
My sister-in-law had four children in five years.
Он муж мое́й сестры́. Он мой зять.
He's my sister's husband. He's my brother-in-law.