Messenger of Allah, I have relatives with whom I try, to have close relationship, but they sever (this relation). I treat them well, but they treat me ill. I am sweet to them but they are harsh towards me. Upon this he (the Holy Prophet) said: If it is so as you say, then you in fact throw hot ashes (upon their faces) and there would always remain with you on behalf of Allah (an Angel to support you) who would keep you dominant over them so long as you adhere to this (path of righteousness). (Using translation from Muslim 2558a)
أَتَى رَسُولَ اللهِ ﷺ رَجُلٌ فَقَالَ يَارَسُولَ اللهِ إِنَّ لِي قَرَابَةً أَصِلُهُمْ وَيَقْطَعُونِي وَأَحْلُمُ عَنْهُمْ ويَجْهَلُونَ عَلَيَّ وَأُحْسِنُ إِلَيْهِمْ وَيُسِيئُونَ إِلَيَّ فَقَالَ رَسُولُ اللهِ ﷺ إِنْ كَانَ كَمَا تَقُولُ لَكَأَنَّمَا تُسِفُّهُمْ الْمَلَّ وَلَا يَزَالُ مَعَكَ مِنَ اللهِ ظَهِيرٌ عَلَيْهِمْ مَادُمْتَ عَلَى ذَلِكَ