I keep forgetting to link to the calendar...please forgive me, if I do forget, you can find it on a post that I actually posted it on, like this one, so here is the calendar.
Make a family tree that includes both adoptive and birth children. This may be hard if you don't have an open or semi open adoption, but even you can at least include the children's birth parents, and even the grandparents.
Here are some links with templates!!