Recite Surah Ya-Sin for marriage

سُبۡحَٰنَ ٱلَّذِي خَلَقَ ٱلۡأَزۡوَٰجَ كُلَّهَا مِمَّا تُنۢبِتُ ٱلۡأَرۡضُ وَمِنۡ أَنفُسِهِمۡ وَمِمَّا لَا يَعۡلَمُونَ

Subhaanal-ladhee khalaqal-azwaaja kullahaa mimmaa tumbitul-ardu wa min anfusihim wa mimmaa laa ya'lamoon

Glory be to Him Who created all the sexual pairs, of that which the earth groweth, and of themselves, and of that which they know not

Qur'an 36:36 (Ya-Sin)