During his life, Mohammed met many people who were at least nominal Christians. He also learned many religious ideas and customs from Jewish clans that were living in the region of Mecca and Medina.
Muslims almost always object to using the title “Son of God” concerning Jesus. May God bring real breakthroughs in this area of Muslim misunderstanding. This subject is one of the most significant hindrances for Muslims coming to Christ. Believers need wisdom in addressing this issue.
Muslims not only believe in the existence of angels but also in Jinn (Djinn), who also populate this world. They have their own social organisation and activities, yet they can also change their appearance and become visible or invisible at will.