رَبِّ لَا تَذَرْنِي فَرْدًا وَأَنتَ خَيْرُ الْوَارِثِينَ

Rabbi laa tazarnee fardan wa Anta Khairul-waaritheen.

My Lord, do not leave me alone [with no heir], while you are the best of inheritors.

Reference: Surah Ambiya 21:89