Re-home 6 abandoned cats

Mithoon is s cat who was rescued from the streets, she was already pregnant at the moment, we already had a cat at home, but it won't mithoon enter the house,we had to keep her in a box until she got her 5 babies, we can't afford more to feed all 7 seven cats, as now the babies are grown, we tried to build a small place for them but need to raise the money to pay for their food for the first year.