George Darwin therefore the incidence and you can effects of basic-relative marriage during the The united kingdomt When you look at the 1839, the fresh new up coming 30-year-dated Charles Darwin partnered 1st relative Emma Wedgwood old thirty-two ages, following marriage from Charles’ elder sister Caroline so you can Emma’s sister Josiah Wedgwood III in the 1837. 10 children had been produced in the course of the next 17 decades by every account the marriage is pleased, that have Charles and you will Emma discussing a near companionship. 16 Actually, step 3 of the 10 college students passed away in the teens.