<div dir="ltr"><div class="gmail_default" style="font-family:arial,helvetica,sans-serif"><br></div><div class="gmail_extra"><br><div class="gmail_quote">On Sat, May 20, 2017 at 11:47 AM, SR Ballard <span dir="ltr"><<a href="mailto:sen.otaku@gmail.com" target="_blank">sen.otaku@gmail.com</a>></span> wrote:</div><div class="gmail_quote"><br><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex">Mr.& Mrs. Darwin were first cousins and got married, though they had to<br>
jump through some hoops to do so.<br></blockquote><div><br></div><div><div class="gmail_default"><font face="arial, helvetica, sans-serif"></font><font size="4">And in later life Darwin felt rather guilty about it after doing some experiments with inbreeding in plants, he wrote to a friend "my children are not very robust" and said "consanguineous marriages lead to deafness & dumbness, blindness [etc.]". Of Darwin's 10 children 3 died before the age of 10 and 3 more had no children despite long marriages. </font></div><div class="gmail_default"><font size="4"><br></font></div><div class="gmail_default"><font size="4">On the other hand 3 of his sons grew up to become fellows of the Royal Society.</font></div></div><div class="gmail_default"><font size="4"><br></font></div><div class="gmail_default"><span style="font-size:large">John K Clark</span><br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><br></blockquote></div></div></div>