3 verses have
sons
in Edition Clear Qur'an by Talal Itani / Yusuf (Joseph)

12:7In Joseph and his brothers are lessons for the seekers.

12:67And he said, “O my sons, do not enter by one gate, but enter by different gates. I cannot avail you anything against God. The decision rests only with God. On Him I rely, and on Him let the reliant rely.”

12:87“O my sons, go and inquire about Joseph and his brother, and do not despair of God's comfort. None despairs of God's comfort except the disbelieving people.”