"#Historically, long before the emergence of modern #nationalism or centralized institutions, #Jewish connectivity was sustained primarily through extended family networks that spanned continents. These #kinship systems linked distant communities through marriage alliances, commercial partnerships, #rabbinic succession, and diplomatic brokerage, forming a durable transregional architecture that allowed Jewish life to persist despite political upheaval, expulsion, and shifting imperial borders.

Rather than operating as isolated enclaves, Jewish communities across the #Mediterranean basin and the #MiddleEast functioned as nodes within a continuously reinforced familial web.

#Genealogically, prominent #Sephardi lineages illustrate how these networks operated in practice."

https://blogs.timesofisrael.com/jewish-diaspora-networks-families-across-worlds/