Jennifer Garner is incredibly close to her family and grew up with two sisters in West Virginia, where the majority of her relatives still live.MORE: Jennifer Garner shares her health fears in new videoAnd the Hollywood star couldn't have been prouder after her only niece, Emma, created a walking tour of their beloved hometown.The doting aunt shared footage of herself with Emma walking around the city, as the actress learnt new things about the place.VIDEO: Jennifer Garner shares health fears