Cass, Edgar and Gideon weren't about to let Cass' family enter the capital without the best treatment available.
While his Aunt had been busy getting everything ready, like the procession into the city, working with the royal family to follow a particular route and who was going to escort them to the castle. It was the Ridgewoods, of course, much to his Aunt's dismay. Cass told her to bear with it and save the embarrassment for later.
There would always be time later.
Cass had been plotting with Edgar, Gideon and Mr. Collins to get their own welcome ready. It wasn't in collaboration with the King, but Cass did let him know that he wanted to do something for family members who were so important to not just him, but his Mother.
