Answer:
through a description of the way they behave
Step-by-step explanation:
The author reveals details about stanley's family by giving us a description of how they behave.
This question was taken from an excerpt in the story Holes.
One of their behaviors can be seen in a description of how they named their sons. All their sons are named Stanley. They liked how the name could be spelt both forward and backwards, Stanley Yelnats.
Another of their behavior can be seen in the part where they are described as hopeful people despite their ill lucks.