sisters
type: Concept
broader: siblings

persons
type: Concept
narrower: siblings

siblings
type: Concept
definition: Sibling relationships are those relationships that a person has with a brother or sister. The relationship that develops between siblings is one of the longest-lasting relationships individuals will have throughout their lives. [Source: Encyclopedia of Human Development; Siblings]
narrower: sisters
narrower: brothers
broader: persons

brothers
type: Concept
broader: siblings

concepts
type: Collection
type: ConceptGroup
member: siblings