O Allah, rectify our mutual relations, unite our hearts, and guide us to the way — Family
اللَّهُمَّ أَصْلِحْ ذَاتَ بَيْنِنَا وَأَلِّفْ بَيْنَ قُلُوبِنَا وَاهْدِنَا سُبُلَ السَّلَامِ
Transliteration: Allaahumma aslih dhaata bayninaa wa allif bayna quloobanaa wahdinaa subulas-salaam
Translation: O Allah, rectify our mutual relations, unite our hearts, and guide us to the ways of peace.
Reference: Abu Dawud 2:86