endogamous

• One point made by Punditarian that I rather liked, however, was his point that Jews have always been only weakly endogamous. —  Dissecting Leftism
• Given a mostly endogamous group, everyone alive about a thousand years before either has no currently living descendants, or is an ancestor to everyone currently alive. —  Ask MetaFilter
• Similarly, Ashkenazi Jews no doubt emerged from hybridization evens between Middle Eastern and European females, but over the generations they have been relatively endogamous (most gene flow has been out of the community into gentile Europeans through conversion) and so are a genetically coherent population in their own right. —  ScienceBlogs Channel : Life Science
• They were created amid similar worries about foreign exploitation of India's large population resource, with its multi-generational endogamous families and well maintained genealogical records. —  Health News from Medical News Today
• In reality, Indian society is divided into thousands of jatis -- local, endogamous groups based on occupation -- and organized hierarchically according to complex ideas of purity and pollution.

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