Follow in somebody's footsteps - Idioms by The Free Dictionary
follow in somebody's footsteps
follow in (one's) footsteps
To pursue something that someone else (often a family member) has already done. My father was an engineer, and I plan to follow in his footsteps and study engineering in college. I am following in my sister's footsteps and joining her old sorority.
follow in somebody’s ˈfootsteps to do the same job, have the same style of life, etc. as somebody else, especially somebody in your family: He followed in his dad’s footsteps and became a lawyer.