<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://wdy.h-cdn.co/assets/cm/15/09/160x213/54eb89195e1e4_-_pore-over-old-bibles-letters-and-other-family-files-mdn.jpg>
<http://www.womansday.com/life/how-to/g383/how-to-trace-your-family-tree-1537/>