Really need some help with this one. I have a workbook that we are going to use for a little league draft. I have it pretty much worked out until this. What I'm trying to do is on a sheet called "11 12 Draft" we have data validation lists in cells E4:L19. When we click on a cell in that range we pick a kid on a team. This is where I need the help. If that kid picked has a sibling the same age that would play in that same age group (Meaning 11 or 12) I would like to have a message pop up saying that "This kid has a sibling would you like to add him in now?" or something like that. And if the user hits yes then it would add him 1 cell below him. This would all have to be based on lookups in another sheet. Which that sheet is called "Player Info". On this sheet if a kid has a sibling that would play in the same age group it would show it in column L.

So the end result could look like this.
Sheet "11 12 Draft" cell E12 (data validation list) kids name is John Doe.
John has a brother who is also 12 named Billy Doe so a message would show and when clicked yes in cell E13 it would enter "Billy Doe"

If the user clicks no then Billy Doe would still be available for another team to pick.

Not sure if this is possible but I'd appreciate any help.
Thanks in advance