Though they could never really have kits, they were like mates in Hollyleaf's Story.
This is what I'd image their kits would be.
Kit 1:
Gender Undecided.
Bright red-orange with light dappling
Unknown eye color
Not keeping - For adoption
Kit 2:
Most likely male
Black with white paws, tail tip, muzzle and eye brows
Green eyes
Most likely keeping
Kit 3:
Female
Light orange with brown tabby stripes and white paws, tail tip, eye brows and one white ear tip
Unknown eye color
Given to J-pup
Kit 4:
Unknown gender
White with orange patches
Unknown eye color
Probably not keeping
Kit 5:
Female
Dark grey with light white speckling and a white forehead patch
Blue eyes
Keeping
Kit 6:
Most likely male
Silver with dark tabby stripes, two end of tail rings and a darkened forehead and ears
Blue eyes
Not Keeping - Already adopted