The Prophet ﷺ said, "One who severs ties of kinship will not enter Paradise."
حدثنا سفيان عن الزهري
عن النبي ﷺ قال لا يدخل الجنة قاطع
No references are available.
Its isnad is sahih. Muhammad bin Jubayr bin Mutim is trustworthy and knowledgeable about genealogies, like his father. Bukhari narrated the hadith in 6/8, Al-Shaab edition, in the chapter on manners, the sin of severing ties, Muslim in 4/1981, number 2556, in the chapter on righteousness, maintaining family ties, Abu Dawud in 2/133, number 1696, in the chapter on zakat, maintaining family ties, and Tirmidhi in 4/316, number 1909, with the same wording, saying, hasan sahih.