Sahih al-Bukhari · Hadith 6626
حدثني اسحاق يعني ابن ابراهيم، حدثنا يحيى بن صالح، حدثنا معاوية، عن يحيى، عن عكرمة، عن ابي هريرة، قال قال رسول الله صلى الله عليه وسلم " من استلج في اهله بيمين فهو اعظم اثما، ليبر ". يعني الكفارة
Narrated Abu Huraira:Allah's Messenger (ﷺ) said, "Anyone who takes an oath through which his family may be harmed, and insists on keeping it, he surely commits a sin greater (than that of dissolving his oath). He should rather compensate for that oath by making expiation

