Sayyiduna Ibn Umar narrated that the Messenger of Allah (ﷺ) forbade shighar. Shighar is when a man marries off his daughter or his sister on the condition that the other man marries his daughter (or sister) to him, and no dowry is stipulated.
Hadith Referenceاللؤلؤ والمرجان / كتاب النكاح / 893
Hadith Gradingمحدثین:«صحیح»
Hadith Takhrij«صحیح، أخرجه البخاري في: 67 كتاب النكاح: 27 باب الشغار»