Raphael Weldon's mother was Anne Cotton and his father was Walter Weldon. Walter was a journalist and chemist, and he moved around the country so frequently that it was not possible for Raphael to attend school until he reached thirteen years of age. Walter and Anne had three children; their first child was a girl, with Raphael born next followed by his younger brother Dante.
ATTENTION - Automatic na salin mula sa Tagalog na bersyon Raphael Weldon 's ina ay Anne koton at ang kanyang ama ay Walter Weldon. Walter ay isang mamamahayag at parmasya, at siya ay inilipat sa paligid ng bansa kaya madalas na ito ay hindi maaari para sa Raphael na dumalo sa paaralan hangga't hindi siya umabot ng labing-tatlong taon gulang. Walter at Anne had tatlong bata; kanilang unang bata ay isang batang babae, na may Raphael ipinanganak susunod na sinundan sa pamamagitan ng kanyang batang kapatid na lalaki Dante.