A genetic study has revealed how poorer families living in cities in Europe had a higher rate of children who weren’t biologically related to their legal fathers
Source:
https://www.newscientist.com/article/2223177-genetic-study-reveals-the-family-secrets-of-people-in-the-1800s/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home