Yahya related to me from Malik from Yahya ibn Said that Said ibnal-Musayyab used to say, "A man is raised by the dua of his son afterhis death." He spoke with his hands turned upwards, and then liftedthem up. (FR)
USC-MSA web (English) reference: Book 15, Hadith 38 (FR)
Arabic reference (FR): Book 15, Hadith 510 (FR)