Momma goose probably won't take them. I have a late hatcher who was rejected by the parents. Put it in the brooder with 2 week old chicks. By day 10 was getting too tall for the brooder so goose and chicks were put outside off heat in a grow out pen. Was accepted into the goose flock at 2 1/2 weeks with zero drama. Goslings are not like chicks. They do not need prolonged heat nor do they have to be messy. I tie a yogurt container to the fence for a waterer. Deep enough to dunk their head but can't climb in it or dump it. They don't need swimming water yet.
I would try the hen. If she can keep them warm for a week you might be able to move them out by themselves. The goose might accept them at 3-4 weeks and be an excellent foster mom.