Answer:
The Christian religion evolved from Judaism. Jesus was the King of the Jews. The Old Testament is from Judaism, Moses and the Ten Commandments. The concept of monotheism which they share with the
Muslim faith should also be mentioned. All three share the same biblical roots and all share more in common then they have in opposition. They all are people of the "Book" and all share a mutual starting point.
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There is no such thing as Judeo-Christian as the core tenets of the two religions are diametrically opposed. Judeo-Christian was an invention of Christianity. To correct the previous answer, the Jewish Bible is called the Tanach and the Christian Old Testament is based on the Tanach but was altered to support the teachings of Christianity.