فَهَلْ عَسَيْتُمْ إِن تَوَلَّيْتُمْ أَن تُفْسِدُوا۟ فِى ٱلْأَرْضِ وَتُقَطِّعُوٓا۟ أَرْحَامَكُمْ ﴿٢٢﴾
Werdet ihr vielleicht, wenn ihr euch abkehrt, auf der Erde Unheil stiften und eure Verwandtschaftsbande zerreißen?
Haram Family & relations
Is cutting off family ties haram?
Short answer
Yes. The Quran warns that those who cut what Allah ordered to be joined are cursed (47:22-23, 13:25). Keeping ties includes visiting, greeting, helping and forgiving relatives, even when they are unkind.
Evidence
Quran
أُو۟لَٰٓئِكَ ٱلَّذِينَ لَعَنَهُمُ ٱللَّهُ فَأَصَمَّهُمْ وَأَعْمَىٰٓ أَبْصَٰرَهُمْ ﴿٢٣﴾
Das sind diejenigen, die Allah verflucht; so macht Er sie taub und läßt ihr Augenlicht erblinden.
وَٱلَّذِينَ يَنقُضُونَ عَهْدَ ٱللَّهِ مِنۢ بَعْدِ مِيثَٰقِهِۦ وَيَقْطَعُونَ مَآ أَمَرَ ٱللَّهُ بِهِۦٓ أَن يُوصَلَ وَيُفْسِدُونَ فِى ٱلْأَرْضِ ۙ أُو۟لَٰٓئِكَ لَهُمُ ٱللَّعْنَةُ وَلَهُمْ سُوٓءُ ٱلدَّارِ ﴿٢٥﴾
Diejenigen, die den Bund Allahs nach seiner Abmachung brechen und das trennen, was Allah befohlen hat, daß (es) verbunden werden soll, und auf der Erde Unheil stiften, für sie gibt es den Fluch und eine schlimme Wohnstätte.
This is general information, not a fatwa. For your own situation, ask a qualified scholar.
Questions about halal and haram
Is cutting off family ties haram?
Yes. The Quran warns that those who cut what Allah ordered to be joined are cursed (47:22-23, 13:25). Keeping ties includes visiting, greeting, helping and forgiving relatives, even when they are unkind.