Books of Exodus, Leviticus and Numbers maintain that Aaron received from God a monopoly over the priesthood for himself and his male descendants.
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The family of Aaron had the exclusive right and responsibility to make offerings on the altar to Yahweh.
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Aaron related to them God's detailed instructions for performing their duties while the rest of the Israelites listened.
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Aaron plays a leading role in several stories of conflicts during Israel's wilderness wanderings.
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Aaron escaped punishment for his role in the affair, because of the intercession of Moses according to Deuteronomy 9:20.
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For example, in rabbinic sources and in the Quran, Aaron was not the idol-maker and upon Moses' return begged his pardon because he felt mortally threatened by the Israelites.
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The next morning, Aaron's rod was found to have budded and blossomed and produced ripe almonds.
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Aaron died on the summit of the mountain, and the people mourned for him thirty days.
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Aaron died on the 1st of Av and was 123 at the time of his death.
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Aaron married Elisheba, daughter of Amminadab and sister of Nahshon of the tribe of Judah.
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The sons of Aaron were Nadab, Abihu, Eleazar and Itamar; only the latter two had progeny.
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Again, mercy was personified in Aaron, according to Deuteronomy 33:8, and truth in Moses, according to Numbers 12:7.
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Aaron is commemorated with other Old Testament saints on the Sunday of the Holy Fathers, the Sunday before Christmas.
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Aaron frequently holds a censer or, sometimes, his flowering rod.
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Aaron appears in scenes depicting the wilderness Tabernacle and its altar, as already in the third-century frescos in the synagogue at Dura-Europos in Syria.
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