Supplication to protect children from Shaytan (dua of Maryam’s (AS) mother):

إِنِّىٓ أُعِيذُهَا بِكَ وَذُرِّيَّتَهَا مِنَ ٱلشَّيۡطَـٰنِ ٱلرَّجِيمِ

“Allahumma inni u-idhuha [hu] bika wa dhurriyyataha [hu] mina’sha-shaytani’r-rajiim(i).”

“O Allah, I put her [him], and her [his] progeny under Your protection from Satan, the accursed” - (part of Qur’an Surah 3:36).

Supplication to have children (dua of Zakariyya (AS)):

رَبِّ لَا تَذَرۡنِى فَرۡدً۬ا وَأَنتَ خَيۡرُ ٱلۡوَٲرِثِينَ

“Rabbi laa tadharnii fardaw wa Anta Kharu ‘l-waarithin(a).”

“O my Lord! Leave me not without offspring, though You are the best of inheritors” - (part of Qur’an Surah 21:89)

 Supplication to have a blessed family:

رَبَّنَا هَبۡ لَنَا مِنۡ أَزۡوَٲجِنَا وَذُرِّيَّـٰتِنَا قُرَّةَ أَعۡيُنٍ۬ وَٱجۡعَلۡنَا لِلۡمُتَّقِينَ إِمَامًا 

“Rabbanaa hablanaa min azwaajinaa wa dhurriyyatina qurrata a’yun(iw), wa ‘j’alnaa li’l muttaqiina imaaman.”

“And who say: Our Lord! Bestow on us from our wives and our offspring, the comfort of our eyes, and make us leaders for the Muttaquun (pious).” - (part of Qur’an Surah 25:74)