I try to trap them.. and will bring to Kawasaki..older cat she friendly only with me because my husband no play with her. my profile picture is my cat in Thai she has FIP( Feline Infectious Peritonitis ) Kawaisou
Good luck with trapping the kittens. I hope you can find someone to care for the older cats as well. Some shopping malls, pet stores and vets clinics will allow you to put up notices about cats looking for new homes. You could try there to see if anyone will take the other cats.