<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ghk.h-cdn.co/assets/cm/15/11/54ff6f07876f3-wd-brother-discovery-old-photo-aml7jk-600.jpg>
<http://www.goodhousekeeping.com/life/inspirational-stories/a22067/childhood-friends-actually-brothers/>