This came from the following tweets from Rae:
2007.09.25: Raeski @minitotoro. Firstborn son flavour seems to be sold out.
2007.09.25: Raeski Roast Ox is quite a biblical flavour of crisp. Along with donkey flavour and locust and river of blood flavour.
You can read more of her thoughts on the matter here.
Sorry, but I Americanized it a bit. Your extra vowels and alternative word for chips confuses us. ;)