1. Rebbi Yoshiyah: Eretz Yisrael was given to the people who came out of Egypt.
2. Rebbi Yoshiyah: A man who was under the age of 20 when he left Egypt did not receive a portion in Eretz Yisrael.
3. Rebbi Yonasan: Eretz Yisrael was given to the people who entered Eretz Yisrael.
4. Rebbi Shimon ben Elazar: Eretz Yisrael was given to the people who left Egypt and to those who entered Eretz Yisrael.
5. The Gemara states that there were people who also received other people's portions.
A BIT MORE
1. Each adult male who left Egypt received a portion in Eretz Yisrael. Even though they died, their descendants inherited these portions according to the rules of inheritance.
2. His sons also did not receive a portion (according to Rebbi Yoshiyah). He received a portion only if he inherited it from other relatives.
3. According to Rebbi Yonasan, if Reuven and Shimon left Egypt, and Reuven then had one son and Shimon then had ten sons, each son would receive one portion in Eretz Yisrael. According to Rebbi Yoshiyah (#1), Reuven's son would receive one portion and Shimon's ten sons would split one portion.
4. He understands that the portions were divided based on an accounting of everyone over 20 who left Egypt, and everyone over 20 when they entered Eretz Yisrael. Accordingly, a person received two portions if he was over 20 when he left Egypt and entered Eretz Yisrael.
5. Yehoshua and Kalev received the portion of the Meraglim (spies).