Qasim ibn Muhammad
Qasim ibn Muhammad (), was the son of Muhammad and Khadija bint Khuwaylid. He died in 601 CE (before the start of his father's prophethood in 609), after his third birthday and is buried in Jannat al-Mu'alla cemetery, Mecca, Saudi Arabia. He was Muhammad's first child. That is why Prophet Muhammad's nickname or Kunia was A'bul Qasim. Qasim was born before the Prophethood and died in Makkah as a child.