Numbers 34:2 outlines the boundaries of the land that the Israelites are to inherit, which is a fulfillment of the promise God made to Abraham in Genesis 15:18 regarding the land from the river of Egypt to the Euphrates.
Numbers 34:13 describes the command to divide the land among the tribes of Israel, which is carried out in Joshua 14:1-2 when the land is distributed by lot under the leadership of Eleazar the priest and Joshua.
Numbers 34:17 names Eleazar the priest and Joshua as leaders in the division of the land, which is confirmed in Joshua 19:51 as they oversee the distribution of the land to the tribes.
Numbers 34:29 lists the leaders from each tribe who are to oversee the division of the land, including Eleazar, whose lineage is traced back to Aaron in Exodus 6:25, establishing his priestly authority.