We understand form your query, that you intend to ask when will your in laws move away from staying with you. Since this specifically involves someone else other than your direct life. Seeing both their horsocopes will give the most clarity.
Still from your charts, in the long term this will take 3 years for the staying together statu quo to change. In the short run, if there charts support such an event then you can expect the move to happen by October 2023.
There is a lots of karma in your chart towards your inlaws and husbands family, which basically means that you will have to toil hard for them and its a part of your destiny. Avoiding or running away from such a thing can only keep you in a trap.
Your relationship with in laws will improve many fold after year 2025.
4th and 9th house from 7th indicates partners family. Sun-Saturn phase ending along with saturn transit in 10th house can indicate a new phase beginning. In D-9 chart lord of 8th is in 5th house and lagna chart shows lord of 10th house in 8th house indicating deep bondage in matters of 8th house.