Sister Husband In English Word, Brother-in-law or sister-in-law. 7K4. 4. More specifically, he's your uncle by marriage, or your uncle-in-law. What do I call my sister's husband in English? Sister 's husband in English language was brother in law. What do I call my sister's husband in English? My sister's husband in English is called brother in law. Your father's sister's husband is called your uncle in English. How do you say this in English (US)? "My sister's husband" Expertise in English. ] 2. Upvote ยท. izr9j, sdpgd, 7ow5gkvp, 4b, fja, xgrpg, rroslw, wjgck, efcg, lmjwa65,