I know in general, mixed swimming is not allowed.
But I’d like the take my twin boys (age 6) swimming, and can’t do so by myself. I’d need to go with at least one more adult (female) to help out (in the water).
If the female adult is a relative (not sibling, possibly aunt), and covered up (with T-shirt for example), would that be ok?
My assumption is that it is a private pool and you are the only ones there. If she is completely covered, then it would be permitted, since they are still small, and both women are dressed tzniusdik.