Weekend went well. You would think we all see each other on a regular basis. All of us very friendly. I did not cook at all. We ate out. 
One of my adult kids was visiting with their SO.  SD loudly said to SO, upon introduction, oh I've heard soooo much about you I feel like I know you already."  SO felt a bit creeped out. Like what have we telling this stranger about them?  
along this theme SD always asks tons of questions about my adult kids she has not laid eyes on in over 16 years!! One was a bit too personal so I responded with something along the lines like why are you so curious, you guys would not recognize each other if you bumped into on the street!  I did not say it unkindly and I think she got the messsge.  I feel if she wants info about someone she needs to actually engage with them. I would never ask her about her sib that I am estranged from. That's just me.