It is narrated from Sayyiduna Abu Hurayrah (may Allah be pleased with him) from the Prophet (peace and blessings be upon him): "No Muslim has three of his children die and then the Fire touches him; this is not possible, except for what falls to his share."
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الجنائز / 7134