Final answer:
Abraham was called by God to move away from his family when he was around 75 years old.
Step-by-step explanation:
According to the Hebrew Bible, Abraham was called by God to move away from his family when he was around 75 years old. This event is mentioned in the book of Genesis, specifically in Genesis 12:1-4. God instructed Abraham to leave his country, his people, and his father's household and go to the land that God would show him. Abraham obeyed and embarked on a journey that would eventually lead him to Canaan, which is present-day Israel and Palestine.