1. Al-Qasim ibn Muhammad
Because of him, Prophet Muhammad was known as Abu Al- Qasim. Qasim was a son of Khadijah (may Allah be pleased with her). Qasim was born before Prophet Mohammed’s prophethood and died when he was two years old. Some say he died when he was still breast-feeding.


https://www.withprophet.com/en/the-s...ce-be-upon-him