This emphatic repetition shows the reason for inserting the genealogy. The names of Moses and Aaron are given twice and in a different order; used …

These are they which spoke to Pharaoh king of Egypt
In the name of the Lord of hosts; and demanded the dismission of…

Moses and Aaron were Israelites, raised up to them from among their brothers, as Christ also was to be, who was to be the Prophet and Priest, the R…