Then Moses summoned all the elders of Israel, and told them, “Go and select ¹  for yourselves a lamb or young goat ²  for your families, and kill the Passover animals. ³ 

You must divide the land by lot for an inheritance among your families. To a larger group you must give a larger inheritance, and to a smaller group you must give a smaller inheritance. Everyone’s inheritance must be in the place where his lot falls. You must inherit according to your ancestral ¹  tribes.