7:12 Now when he came near to the gate of the city, behold, one who was dead was carried out, the only born son of his mother, and she was a widow. Many people of the city were with her.
Muslims think that Jesus' title of 'Son' means God entered into a biological relationship with Mary, yet in the OT 'Son' is a title rooted in kingship and deity.
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Son of God: what do the Qur'an and the Bible say?, CCI