What you get when you add The Parent Trope to its offspring, Son of Trope, Daughter of Index. Especially applies when you add the parent's parent or the offspring's offspring. Also applies to any ancestor/descendant connection. Extended Family Tropes count too since they are related through the generations. Anyone who fits the age of about 20 years or so apart counts too. If they are in an immediate family and the same generation, they belong in Sibling Tropes.
Tropes:
- Caretaker Reversal: After taking care of the patient, the caretaker gets sick and now the patient must take care of them.
- Cool Uncle: An uncle (or sometimes aunt) that is beloved by their niece/nephew.
- Country Cousin: A cousin who hails from the rural parts of the nation.
- The Descendants of Cain: The descendants of the Biblical Bad Guy who murdered his brother.
- Doting Grandparent: A grandparent who's affectionate and spoils their grandchildren.
- Familial Foe: The villain opposes the hero's descendants.
- The Generation Gap: The psychological idea that members of different generations are incapable of understanding each other.
- Generational Magic Decline: A prestigious family or society known for producing strong magic users undergoes gradual decline as each generation becomes less magically adept.
- Generational Saga: A tale spanning multiple generations of the same family.
- Generational Trauma: Conflict arises due to unresolved baggage passed down from generation to generation.
- Generation Ships: A slow starship equipped for generations to live and die on the way.
- Generation Xerox: When kids have the same basic story as their parents/ancestors.
- Grandparental Obliviousness: A grandparent left in charge of their grandchildren is too senile to keep a proper eye on them.
- The Hecate Sisters: A trio of female archetypes: an alluring young maiden, a matronly mother, and a wise crone.
- Heir Club for Men: Men want a son to be their heir.
- Hereditary Curse: A Curse passed from parent to offspring.
- Hereditary Homosexuality: If your parent(s) are gay, chances are you are too.
- Hereditary Twinhood: Twins run in the family such that being a twin almost guarantees one's children or grandchildren will also be twins.
- Heroic Lineage: Heroism is passed down through the family.
- Identical Grandson: A character closely resembles their ancestor.
- Intergenerational Friendship: Friendship between two people who have a significant age gap.
- Intergenerational Rivalry: Rivalry between two people who have a significant age gap.
- In the Blood: Characters seem like they can inherit their characteristics (personality and appearance-wise), behavior, and morality from their parents.
- Kissing Cousins: Romantic and/or sexual interaction/attraction between cousins.
- Lineage Ladder: A repetition of ancestors or descendants is used to explain time, tradition, or a relationship.
- Love Father, Love Son: A character falls in love with the child of their former love interest.
- Magical Seventh Son: The seventh son of a seventh son is special or magical in some way because Rule of Seven.
- Maiden Aunt: A woman who, unlike her siblings, never married or had children.
- Master-Apprentice Chain: An important character whose mentor was trained by another important character, and so on.
- Multigenerational Household: When two or more adult generations share the same living unit.
- My Grandson, Myself: To hide their immortality or long life, a character pretends to be their own descendant.
- Nephewism: A character lives with another relative (often an aunt or an uncle) without any explanation on where their parents are.
- Practically Different Generations: A wide age gap between siblings.
- Raised by Grandparents: A character who was raised by their grandparents.
- Single Line of Descent: Lineage only has one key living descendant.
- Single Sex Offspring: Can be generational in nature with a family only producing boys or girls, but not both.
- Squaring the Love Triangle: A love triangle being resolved by involving the offspring of the primary couple.
- Superpowerful Genetics: Children of superpowered parents also have powers, even if they don't fit the parent's.
- Three Successful Generations: Successive family members that have achieved success.
- Uneven Hybrid: A character has majority ancestry of one species and minority ancestry of another, due to one generation or more of Interspecies Romance.
- Villainous Lineage: Evil is genetic and potentially inheritable.
- Young Love Versus Old Hate: Young people fall in love while their older relatives still cling to hatred.
