Judaism, Christianity, and Islam religions.
Abraham is considered the father of Judaism, Christianity and Islam as the Old Testament's 5 books of Moses - The Pentateuch (books are: Genesis, Exodus, Leviticus, Numeri and Deuteronomy) are included in the Holy Book of Judaism that is Torah. Eventually he is considered as the father of Islam basically claims entire religions of Judaism and Christianity as "prophets" and predecessors of Islam.
Abrahamic religions include Judaism, Christianity, Islam and the Baha'i faith. Christianity recognize Judaism but not Islam. Islam recognizes Judaism, Christianity but not Baha'i faith. And finally Baha'i faith recognizes Judaism, Christianity and Islam all together. And obviously he did not start anything. He simply preached the word of God, i.e. the holy revelations.
Abraham founded Judaism. Christianity and Islam are daughter-religions of Judaism.See also the Related Links.Link: How Abraham founded JudaismLink: Was Islam's inception influenced by Judaism
The god of Abraham is the god of Judaism, Christianity and Islam. They all worship the same god, but the prophets are different.
Abraham.
Both Islam and Christianity originated out of Judaism.
Judaism, Christianity, and Islam.
Christianity, Islam, Judaism & even Baha'i all have a mutual ancestor: Abraham.
Christianity and Islam both trace their roots to Judaism.
The connection between Islam, Christianity and Judaism is that the three religions trace their history to the covenant between God and Abraham.
Abraham