He was Lebanese but he loved to have a house in Medina too.
He gave money to imam Sadiq (pbuh) and said, âPlease do me this favorâ [give it to the poor].
And, the imam stated, âIâve bought a nice house for you and this is its deedâ and then put a paper in front of him.
The paper read:
Ja’far ibn- Muhammad has bought this man a house in heaven which is next to the Most Graceful prophet; Muhammad( pbuh&h)â s house on one side, to Amir al-Mu’minin 1( pbuh)âs on the other side, to imam Hassan( pbuh)â s on the front and  to imam Husseinâs ( pbuh)on the back side.
There, the man kissed the paper happily and put it on his eyes. Then the imam stated, âI gave your money to the poor in Medinaâ.
The man went home and afterward, he beseeched his family to leave that paper on his shroud, when he would die.
The time passed and he died. A day after his burial, the people came to his tomb and saw a paper beside it,
which read: â Jefr ibn- Muhammad fulfilled his promiseâ
1-Amir al-Mu’minin is imam Ali( pbuh)
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Source: In the presence of sunlight
The collection: Fourteen suns and a sunlight