حَدَّثَنَا مُحَمَّدُ بْنُ يَحْيَى، حَدَّثَنَا يَحْيَى بْنُ بُكَيْرٍ، حَدَّثَنَا ابْنُ لَهِيعَةَ، عَنْ عَمْرِو بْنِ دِينَارٍ، عَنْ جَابِرِ بْنِ عَبْدِ اللَّهِ، ‏.‏ أَنَّ امْرَأَةً، أَتَتْ رَسُولَ اللَّهِ ـ صلى الله عليه وسلم ـ فَقَالَتْ إِنَّ أُمِّي تُوُفِّيَتْ وَعَلَيْهَا نَذْرُ صِيَامٍ فَتُوُفِّيَتْ قَبْلَ أَنْ تَقْضِيَهُ ‏.‏ فَقَالَ رَسُولُ اللَّهِ ـ صلى الله عليه وسلم ـ ‏"‏ لِيَصُمْ عَنْهَا الْوَلِيُّ ‏"‏ ‏.‏

It was narrated from Jabir bin 'Abdullsh that : a woman came to the Messenger of Allah (PBUH) and said: "My mother has died, and she had made a vow to fast, but she died before she could fulfill it. The Messenger of Allah (PBUH) said: 'Let her guardian fast on her behalf ." Translation Not Available

Book Ref: Sunan Ibn Majah Book 11 Hadith 2133
Web Ref:  Sunan Ibn Majah Vol 3 Book 11 Hadith 2133