You could order Philip George HANCOCKS certificate by contacting

The General Records Office - will try and do the link (as it seems to have moved web sites)

http://www.nidirect.gov.uk/gro

This would give you his mother's maiden name, father's name and occupation, place and date of birth etc

I would re-check the details on FreeBMD (in case I've copied it incorrectly)

http://www.freebmd.org.uk/

Birth: January/February/March Qtr 1851

Name: Philip George HANCOCKS

District: Crickenhowell

Volume: 26

Page 336