1. Naruto's Father is the 4th Hokage(Positive) and his mother is Kushina Uzumaki and his God father is Jiraiya.
2. I we know is Jiraiya's Godson is Naruto Uzumaki
3. The First Hokage and the Second Hokage are brothers, The First Hokage is the older one, When the First Hokage die, The second took over.
4. The Forth isn't related to any of the Hokages, of Sannin, Just Jiraiya because Jraiya is the god father of his son, Naruto
5. The First Hokage is the Grandfather of Tsunade and Nawaki. The Second is the Granduncle of those two.
6. The Second and the First Trained the Third, and the 2 village elders that u see on Naruto
7. Then the Third Trained the Sannin of the Leaf
8. Then Jiraiya(Sannin) Trained the Forth Hokage and Naruto.
Then the Forth Trained Kakashi, Then Kakashi Trained Team 7.
9. The Sannin(Jiraiya, Orochimaru, Tsunade) each took a Student from Team 7(Naruto, Sasuke, Sakura) Nar=J Sas=O Sak=T
If you have any more questions about Naruto trees and heritage, just ask
10.