´Muhammad bin Jubair bin Mut'im narrated from his father, that:` the Messenger of Allah said: "The one who severs ties will not enter Paradise." Ibn Abi 'Umar said: "Sufyan said: 'Meaning: Ties of the womb."
Hadith ReferenceSunan at-Tirmidhi / Chapters on Righteousness And Maintaining Good Relations With Relatives / Hadith: 1909
Hadith Gradingالألبانی:صحيح غاية المرام (407) ، صحيح أبي داود (1488)