Surah Maryam, ayah 5

وَإِنِّي خِفۡتُ ٱلۡمَوَٰلِيَ مِن وَرَآءِي وَكَانَتِ ٱمۡرَأَتِي عَاقِرٗا فَهَبۡ لِي مِن لَّدُنكَ وَلِيّٗا ٥

Wa innī khiftul-mawāliya min warā'ī wakānatimra'atī 'āqiran fahab lī mil ladunka waliyyā

And indeed, I fear the successors⁸⁰⁸ after me, and my wife has been barren, so give me from Yourself an heir