My brother is a MS student at USA.He would like to invite my mom to usa for graduation ceremony by spionsoring her. What are the chances since I am also going o US in June(probably) and my broher is also palnning to call my mom in june for the graduation ceremony.Is i necessary to tell that i will also be flying gto US to my husband who is in Us .Also is it necessary to mention that her son inlaw( i.e my husband) is currently in US??