# Geburtsbrief

> a document in the early modern period that certified a person’s legitimate marital ancestry and freedom from serfdom, commonly required by guilds from outsiders wishing to learn or practice a craft in a city

**Wikidata**: [Q1468575](https://www.wikidata.org/wiki/Q1468575)  
**Source**: https://4ort.xyz/entity/geburtsbrief