Hadith.3709 - Isma'il ibn Muslim narrated from Abu Abdillah Imam Jafar ibn Muhammad Al-Sadiq (as) from his father, Imam Muhammad ibn Ali Al-Baqir (as), that he used to say
"If a man has a debt and then dies, the debt becomes due."
Al-Kāfi #95“I once asked abu al-Hassan (a.s.), about the case of a man who dies and I owe him a certain amount of money. He has left behind children,...