Abrahamic religions teachings of Quran are presented as the direct revelation and words of Allah. Islam (meaning "submission", in the sense of submission to God) is universal (membership is open to anyone); like Judaism, it has a strictly unitary conception of God, called "tawhid", or "strict" or "simple" monotheism. Historically, the Abrahamic religions have been considered to be Judaism, Christianity and Islam. Some of this is due to the age and larger size of these three. The other, similar religions were seen as either too new to judge as being truly in the same class, or too small to be of significance
Patriarchs (Bible) can be used to refer to the twenty male ancestor-figures between Adam and Abraham. The first ten of these are called the Antediluvian patriarchs, because they came before the Flood. Judaism, Christianity and Islam hold that the patriarchs, along with their primary wives, known as the matriarchs – Sarah (wife of Abraham), Rebekah (wife of Isaac) and Leah (one of the wives of Jacob) – are entombed at the Cave of Machpelah in Hebron, a site held holy by the three religions. Only Rachel, Jacob's favorite wife, is said to be buried separately at what is known as Rachel's Tomb,