Allah narrated to this Ummah (followers of Muhammad ) the stories of the people
of Prophet Nuh, `Ad and Thamud, and other ancient nations that belied their Messengers.
Only Allah knows the count of these nations,
[جَآءَتْهُمْ رُسُلُهُم بِالْبَيِّنَـتِ]
(To them came their Messengers with clear proofs,) they brought them evidences and
plain, tremendous proofs and signs. Ibn Ishaq reported that `Amr bin Maymun said
that `Abdullah said about Allah's statement,
[لاَ يَعْلَمُهُمْ إِلاَّ اللَّهُ]
(None knows them but Allah.) "The genealogists utter lies.'' This is why `Urwah
bin Az-Zubayr said, "We did not find anyone who knows the forefathers of Ma`dd bin
`Adnan.''
ICTruth.info