56. Invocations for a child in the Funeral prayer

Dua 160

اللَّهُمَّ أَعِذْهُ مِنْ عَذَابِ القَبْرِ

Allaahumma 'a'ith-hu min 'athaabil-qabri.

O Allah, protect him from the torment of the grave.

Reference: Ibn Qudamah, Al-Mughni 3/416 and Ad-Duroosul-Muhimmah li-Aammatil-'Ummah, pg. 15, by Shaikh 'Abdul-'Aziz bin Baz.

Dua 161

اللَّهُمَّ اجْعَلْهُ لَنَا فَرَطاً، وَسَلَفاً، وَأَجْراً

Allaahum-maj'alhu lanaa faratan, wa salafan, wa 'ajran.

O Allah, make him for us a precursor, a forerunner and a cause of reward.

Reference: Al-Hasan (Al-Basri) used to recite Burnt Al-Fatihah for a child's funeral and then say. Al-Bukhari, Kitabul-Jana'iz, p. 65.