👉 Unbrotherliness is a concept in psychology that describes a relationship where two individuals are not related by biological blood or genetic descent. This can occur between siblings, parents and children, but also among different generations within the same family. In this sense, unbrotherliness is similar to the concept of "unrelatedness" or "non-relationality," as it does not involve a direct kinship relationship. It refers to a situation where there is no shared biological parentage, which can
