Final answer:
Abraham's people were called the Israelites because one of Abraham's descendants was named Israel and his twelve sons became the founders of the Twelve Tribes of Israel.
Step-by-step explanation:
Abraham's people were called the Israelites because one of Abraham's descendants was named Israel. Israel, whose original name was Jacob, had 12 sons who became the founders of the Twelve Tribes of Israel. The name 'Israelites' was used to refer to the descendants of these twelve sons and their subsequent generations.
Learn more about Israelites