19:5
وَإِنِّى خِفْتُ ٱلْمَوَٰلِىَ مِن وَرَآءِى وَكَانَتِ ٱمْرَأَتِى عَاقِرًا فَهَبْ لِى مِن لَّدُنكَ وَلِيًّا
wa-innī khif'tu l-mawāliya min warāī wakānati im'ra-atī ʿāqiran fahab lī min ladunka waliyyan
I fear [what] my kinsmen [will do] when I am gone, for my wife is barren, so grant me a successor––a gift from You––
"And verily I fear my relatives after me, and my wife is barren. So give me from Yourself an heir.