´It was narrated from Ibn 'Abbas that:` a woman vowed to perform Hajj but she died. Her brother came to the Prophet and asked him about that, he said: 'Do yhou think that if your sister owed a debt you wouold pay it off?' He said: 'Yes.' He said: 'Then fulfill the right of Allah, for He is more deserving that His rights should be fulfilled.'''
Hadith Referenceسنن نسائي / كتاب مناسك الحج / 2633
Hadith Gradingالألبانی:صحيح | زبیر علی زئی:صحيح بخاري