Abstract
Siblings are key actors in the social network of young people in care. This paper explores young people’s perceptions of changes in the quality of sibling relationships and the pathways relationships follow during the transition from the biological family into care. A thematic analysis of interviews with young Norwegian people (n = 25) in care showed that, in the biological family, sibling relationships are characterized by alliances, parentification, conflicts or nonexistence. After admission to child welfare services care, sibling relationships developed along multiple pathways. Their sibling relationships reshaped into either close and supportive, conflictual or completely broken relationships. Sibling relationships were dynamic, complex, with the pathway, and its impact on well‐being, being unique to each young person. Sibling relationship quality in the biological home did not predict relationship quality after admission to child welfare services. The implications for social worker practice are discussed.