Thank you, been wondering what the term greyhound ferret meant, so that explained perfectly.
I can put you in touch with the breeder if you like? They are not from working parents though unfortunately, going to get the older one out shortly so time will tell if that has a effect or not as heard mixed reviews.
The younger one is from working parents both ratting and ferreting I believe she will turn into a nice looking type but she's only 12 weeks old so at that slightly ugly stage, but will be much smaller so probably not what you would call a greyhound ferret.