وَإِنِّي خِفْتُ الْمَوَالِيَ مِن وَرَائِي وَكَانَتِ امْرَأَتِي عَاقِرًا فَهَبْ لِي مِن لَّدُنكَ وَلِيًّا
Indeed I fear my kinsmen, after me, and my wife is barren. So grant me from Yourself an heir
Agha Ali Puya Commentary
Commentary on Quran 19:5
[Pooya/Ali Commentary 19:5] (see commentary for verse 2)