Measures taken by governments to address covid-19 in prisons, have impacted significantly on the lives and rights of children. There has been consequential interference with children’s rights to family life and to contact with a parent from whom they have been separated. Since the onset of the pandemic, prisoners in many jurisdictions have lived under restricted regimes with almost universal bans on family visits. Children have not had face-to-face contact with their imprisoned parents, and alternate forms of contact have not always been available to them. Using survey and interview data collected during lockdowns in the UK and Australia, we consider the implications of the interference with the rights of children with an imprisoned parent. Focusing on their relationships, health and wellbeing and using the concept of symbiotic harms, we note how children’s experiences of the cessation of contact interacted with parents’ and caregivers’ experiences, amplifying the harms to children.