The DoD does have methods of deciding whether you can transfer GI Bill benefits to your family.
How do I transfer my GI Bill benefit to my husband?
While you are still on active duty, you will request to transfer, change, or revoke a Transfer or Entitlement TOE through milConnect.  If the DoD approves the TOE, your family members may apply for the benefits.
When will my children be able to use the GI Bill benefits if I transfer them?