Now I consider myself to be fairly intelligent but I suppose staring at endless web pages with confusing information must affect the brain

So we are just gathering together my wife's documents to apply for settlement to join me here with our 5month old son, the facts being

1) He was born in RP to British father and Filipino mother who have RP marriage certificate
2) Son has British passport already received
3) Son has RP passport applied for but still waiting (rush delivery ) This is so he can leave the RP without any overstaying fees WTF?
4) Father, mother and son will travel together to UK once wife's visa approved

I searched this site but couldn't see an obvious answer, it's this page that is confusing me

http://www.ukba.homeoffice.gov.uk/vi...tled/children/

I dont think the process is too complicated it's just another £800 which would pay for a flight

Any advise/experience appreciated!