breeding same strain

I bought some jock horrer a bit ago and i'd like to make a batch of seeds, same strain male and two females. I'm a noob to breeding, will this degrade the strain any for the seeds produced? thanks

anyone have an idea?

I am not a breeder, but I don't think you should have any problems breeding the same strains together and getting the same strain, in that case it would appear to be pretty straight forward