So frequently parents come to me with concerns about how a second (or third, or fourth) child will impact the dynamic of their existing family. As someone who has been there, this is a topic very close to my heart and I think the introduction to a new sibling should be handled with delicacy, love, and with a lot of thought.
One of my favorite tricks, for both my family and for the families that I work with, is to introduce the idea of the older children serving as ”mommy’s helper”.
Continue reading here- https://www.rosiepope.com/blog/preparing-for-new-siblin/ 
How are you preparing your older children for the new baby? Are you at all concerned about how they will react to having a little one in the house?