@Nanet62 , I also have our listing as not suitable for infants/children and yes, still get requests to bring little ones. I do have it listed on our house rules and state the reason why (waterfall feature in backyard, homeowner insurance restriction). I did have a guest inquire on bringing their child and I advised guest our listing has a maximum 2 person occupancy, is not set up for children, waterfall feature etc…. Day of check in they showed up with child in tow. I was not happy as I had clearly stated in our listing house rules and reiterated they same in a message prior to arrival.
Luckily their stay was only for two nights. I gave an honest review of the guest (marked down for not following house rules) and blocked them from booking our listing again.
Hope the suggestions provided work for you!