It is narrated from Sayyiduna al-Bara' (may Allah be pleased with him) that the Prophet (peace and blessings be upon him) sent a man to a man who had married his father's wife, and he (peace and blessings be upon him) ordered him "to strike off his neck and bring back his head."
Hadith Referenceمسند أبي يعلى الموصلي / مسند البراء بن عازب / 1667
Hadith Gradingمحدثین:رجاله رجال الصحيح
Hadith Takhrij«حکم الحدیث مسند ابی یعلی محققاً تنسیق حسين سليم أسد - مکتبہ شاملہ :قال حسين سليم أسد: رجاله رجال الصحيح . » «قال سعيد بن محمد السناري: صحيح» «انظر قبله، مسند ابویعلیٰ ترقیم الاثری: 1663»