Wedding, spouses, and children

بَارَكَ اللَّهُ لَكَ، وَبَارَكَ عَلَيْكَ، وَجَمَعَ بَيْنَكُمَا فِي خَيْرٍ

Bāraka-llāhu lak, wa bāraka ʿalayk, wa jamaʿa baynakumā fī khayr.

May Allāh bless you, may He shower His blessings upon you, and may He unite you both in good. (to the newlyweds)

Source : Abū Dāwūd, At-Tirmidhī

اللَّهُمَّ إِنِّي أَسْأَلُكَ خَيْرَهَا وَخَيْرَ مَا جَبَلْتَهَا عَلَيْهِ، وَأَعُوذُ بِكَ مِنْ شَرِّهَا وَشَرِّ مَا جَبَلْتَهَا عَلَيْهِ

Allāhumma innī as'aluka khayrahā wa khayra mā jabaltahā ʿalayh, wa aʿūdhu bika min sharrihā wa sharri mā jabaltahā ʿalayh.

O Allāh, I ask You for her goodness and the goodness for which You have fashioned her, and I seek refuge in You from her evil and the evil for which You have fashioned her. (upon placing a hand on the wife's forehead)

Source : Abū Dāwūd, Ibn Mājah

بِسْمِ اللَّهِ، اللَّهُمَّ جَنِّبْنَا الشَّيْطَانَ، وَجَنِّبِ الشَّيْطَانَ مَا رَزَقْتَنَا

Bismi-llāh, Allāhumma jannibna-sh-shayṭān, wa jannibi-sh-shayṭāna mā razaqtanā.

In the Name of Allāh. O Allāh, keep Satan away from us and keep Satan away from what You grant us. (before conjugal relations)

Source : Al-Bukhārī, Muslim

أُعِيذُكُمَا بِكَلِمَاتِ اللَّهِ التَّامَّةِ، مِنْ كُلِّ شَيْطَانٍ وَهَامَّةٍ، وَمِنْ كُلِّ عَيْنٍ لَامَّةٍ

Uʿīdhukumā bi-kalimāti-llāhi-t-tāmmah, min kulli shayṭānin wa hāmmah, wa min kulli ʿaynin lāmmah.

I protect both of you with the perfect Words of Allāh from every devil, every poisonous creature, and every evil eye. (protection of children)

Source : Al-Bukhārī

بَارَكَ اللَّهُ لَكَ فِي الْمَوْهُوبِ لَكَ، وَشَكَرْتَ الْوَاهِبَ، وَبَلَغَ أَشُدَّهُ، وَرُزِقْتَ بِرَّهُ

Bāraka-llāhu laka fi-l-mawhūbi lak, wa shakarta-l-wāhib, wa balagha ashuddah, wa ruziqta birrah.

May Allāh bless you in what He has granted you, may you thank the Giver, may he reach maturity, and may you enjoy his filial piety. (congratulations for a newborn)

Source : An-Nawawī