We will have the mother operated , as soon as the babies don't need mothermilk any more and the vet says OK. The babies we intend to keep , as long as they want to stay. If males are among them , they tend to go away , rather than to stay.
At the time , we have three cats that we take into the house at night , 4 males come and go for food and water , plus the mother and their kittens and probably others who visit our open food buffet in the garden at night.