Plz help i have a big problem with my cats strays?

i live in iraq no pet store no shelter no friends that would care for them while am gone cuz they all think cats r evil and busy traffic i see alot of dead animals cuz of cars around we'r i live so there is a calico cat in my cousins back yard my cousin is very scared of the cats so am taking her and her kittens she has two kittens and am done from school and in summer am going to visit my grandma's house for a two weeks and in that house they have r u ready my uncles and their wifes so that is four one of them is prgnet my grandma and my grandpa that is two and seven kids between the age of 1-6 and it's not a big house for that number of people it has four bedrooms and two living rooms one guest room and a dining room one ketchen so the full number of people there is 13 with my family that is 16 and my three cats would the cats hurt any of the kids and how would they except such crowdy place since they were strays take notice that she(mom cat) ate a half of a tuna can from my hand on the sixth meeting didn't exactly get her yet in my house but i was just wondering after i get her and i visit grandma for two weeks how would they handle the crowdynes, the kids and i have no were else to take them but with me plz help me