Sibling Action

The sibling stands out as a ubiquitous—yet unacknowledged—conceptual touchstone across the European long nineteenth century. Beginning in the late eighteenth century, Europeans embarked on a new way of classifying the world, devising genealogies that determined degrees of relatedness by tracing heritage through common ancestry. This methodology organized historical systems into family trees in a wide array of new disciplines, transforming into siblings the closest contemporaneous terms on trees