When you hear the term endogamy, what communities come to mind? French Canadians, Puerto Ricians, Mennonites, Pacific Islanders, and Ashkenazi Jews are common examples. Some of these examples are from island peoples, so what about the Irish? Last time, I discussed the effect of a clearly endogamous community, Ashkenazi Jewish...
As genealogists we want to understand our match lists. We want to identify the matches that will give us the solid clues we need to make progress on our target ancestor’s family tree. Endogamy and its close cousins, pedigree collapse and multiple relationships, complicates that. Diana laid out the definitions...
Today’s episode of Research Like a Pro is about double cousins. Do you have any? We’ll talk about how double cousins and other relatives with whom you share multiple relationships can affect DNA match analysis and genetic network analysis. Although double 3rd cousins don’t always share an inflated amount...
Do you have DNA matches that seem to belong in multiple genetic networks? Are you nervous that you’re seeing pedigree collapse or endogamy? Before you despair, realize that this phenomenon could be due to DNA matches sharing more than one common ancestral couple with each other, or what’s often called...
We are starting a new series called Research Like a Pro with DNA Q&A. Study group and eCourse members ask questions, and we answer them with a short video. Today, the question is: “what is the significance of the first cluster in an AutoCluster or Collins Leeds Method chart?” ...