#Joseph went up

It was common to use the phrase "went up" when speaking of traveling from Egypt to Canaan.

#all the officials ... the courtiers ... the senior officials

All of Pharaoh's most important leaders attended the burial procession.

#the courtiers of his household

Here "household" refers to Pharaoh's royal court.

#land of Egypt, with all Joseph's household and his brothers, and his father's household

This can be translated as a new sentence: "land of Egypt. Joseph's household, his brothers, and his father's household also went with him"

#Joseph's household ... father's household

Here "household" refers to their families.

#But they left their little ones

"But they left their children"

#Chariots

Here this stands for the men riding in the chariots. (See: [[:en:ta:vol2:translate:figs_metonymy]])

#It was a very large group of people

"It was a very large gathering"