They basically studied this form of art before they were allowed out on the field to look at it. everything is a symbol for back then so basically they read it with that.
Answer:
If you do a family tree code then wherever you are in doubt about anything you just go back and look at the family tree and you can see who comes from who and so on...
hope this helps ;)
Hey here's some pics I drew
Hope it helps
Have a great day
Https://images.app.goo.gl/KBNb13LPPmhqtYEq5
Here’s the link