No body can dispute the truth. The question is "What is the Truth ?"
Even though, whenever you know the Truth, no guarantee that you accept it.
The problem is that your knowledge About Arabs and Jews are a few.
Arabs especially in Arabic Peninsula at the time of the Prophet used to keep track of the genealogy till Ismail if they're descendants of Ismail.
The answer of your question, Yes the genealogy of the Prophet till Ismail is well know and documented. All the Prophet's tribe Quresh is the main descendants of Ismail.
Yes, There is only one God. You must know "Who is he ?" Is he one/two/three ? His name? Capability ? his commands ? his mercy ? punishment ? his penalties to disobedient ?
Otherwise, you'll get lost
On what bases, you say neither Ibrahim, nor Ismail, nor El-Messiah, nor me are Muslims ? Even nothing in your books say so. Can you provide references even from your books ?
My book states (you disbelieve in it ) all of these are Muslims.
I've references but you don't. (What is the truth even for each one for his own ?)
I have testimony of God through Jesus affirmed true by manifestations , healings , casting out demons , speaking and interpreting tongues , being chastised when I went wrong and brought back to repentance
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