Joshua 12 lists the kings defeated by the Israelites under the leadership of Moses and Joshua. The verse "the king of Debir, one; the king of Geder, one;" simply means:
"The king of Debir, one;": The Israelites defeated one king from the city of Debir.
"The king of Geder, one;": The Israelites defeated one king from the city of Geder.
The "one" refers to the number of kings defeated from each specific city-state. The list in Joshua 12 serves as a summary of the Israelite victories, emphasizing their conquest of Canaan.
Joshua 12 lists the kings defeated by the Israelites under the leadership of Moses and Joshua. The verse "the king of Debir, one; the king of Geder, one;" simply means:
"The king of Debir, one;": The Israelites defeated one king from the city of Debir.
"The king of Geder, one;": The Israelites defeated one king from the city of Geder.
The "one" refers to the number of kings defeated from each specific city-state. The list in Joshua 12 serves as a summary of the Israelite victories, emphasizing their conquest of Canaan.