Bert was lonely. Bert replicated. Children of Bert is a 1369 piece 1/1 collection featuring Bert and the first six generations of Bert's extended replicant family. All Children of Bert are related and part of one large replicant family tree. Relationships are not arbitrary. Each individual is used as the source to create their four replicant children. Each CoB resembles their parent and siblings while drifting further and further from Bert.