{"version":"1.0","provider_name":"a genealogist&#039;s sketchbook","provider_url":"https:\/\/nltaylor.net\/sketchbook","author_name":"Nat Taylor","author_url":"https:\/\/nltaylor.net\/sketchbook\/archives\/author\/nat","title":"my medieval XY line - a genealogist&#039;s sketchbook","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"DEjWyz6B6e\"><a href=\"https:\/\/nltaylor.net\/sketchbook\/archives\/458\">my medieval XY line<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/nltaylor.net\/sketchbook\/archives\/458\/embed#?secret=DEjWyz6B6e\" width=\"600\" height=\"338\" title=\"&#8220;my medieval XY line&#8221; &#8212; a genealogist&#039;s sketchbook\" data-secret=\"DEjWyz6B6e\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script type=\"text\/javascript\">\n\/* <![CDATA[ *\/\n\/*! This file is auto-generated *\/\n!function(d,l){\"use strict\";l.querySelector&&d.addEventListener&&\"undefined\"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!\/[^a-zA-Z0-9]\/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret=\"'+t.secret+'\"]'),o=l.querySelectorAll('blockquote[data-secret=\"'+t.secret+'\"]'),c=new RegExp(\"^https?:$\",\"i\"),i=0;i<o.length;i++)o[i].style.display=\"none\";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute(\"style\"),\"height\"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):\"link\"===t.message&&(r=new URL(s.getAttribute(\"src\")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener(\"message\",d.wp.receiveEmbedMessage,!1),l.addEventListener(\"DOMContentLoaded\",function(){for(var e,t,s=l.querySelectorAll(\"iframe.wp-embedded-content\"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute(\"data-secret\"))||(t=Math.random().toString(36).substring(2,12),e.src+=\"#?secret=\"+t,e.setAttribute(\"data-secret\",t)),e.contentWindow.postMessage({message:\"ready\",secret:t},\"*\")},!1)))}(window,document);\n\/\/# sourceURL=https:\/\/nltaylor.net\/sketchbook\/wp-includes\/js\/wp-embed.min.js\n\/* ]]> *\/\n<\/script>\n","description":"Besides our agnate (male-line) ancestry, and our matrilineal ancestry (also called the umbilical or mitochondrial line, to indicate the uterine mother-child bond or the exclusively maternal inheritance of mitochondrial DNA), what specific lines have any distinction, in an abstract sense, in the vast swath of the pedigree chart that lies between these two bookends? The [&hellip;]"}