Here are two idioms that people use when talking about things that family members have in common.
“It runs in the family.”
Someone that many members/people in the family have, such as a quality, skill, problem and/or disease.
- A passion for theatre runs in the family.
- Diabetes runs in his family.
“In one’s blood”
Something that is in-built in one’s family.
- Teaching runs in my blood.
- Playing soccer runs in his blood.