en_tn_condensed/psa/105/020.md

The king sent and released him; the ruler of the people set him free

These two phrases have basically the same meaning and are used together to emphasize that the king set Joseph free. (See: rc://en/ta/man/translate/figs-parallelism)

Then Israel came into Egypt

Here "Israel" refers to Jacob. Jacob also brought his family with him. AT: "Then Israel and his family came into Egypt"