Hi vconnol,
It's been a few months since you've posted this, but I think this deserves a response! Basically, if the veteran is rated for Aid & Attendance or Housebound the VA can take in-home care expenses for anybody - including a relative. Some county veteran service officers or national service officers might have a copy of a "Care Expense Statement," an unofficial VA form that is no longer sent out, but we do love to receive it

The Texas Veterans Commission (if you happen to live in Texas) has a few good forms too. All she would need to send, though, is a statement explaining the type of care she provides, what she does, etc, and the amount she is charging for the care. Have the care provider sign the statement, and have the veteran sign and confirm that he is paying that much per month. She doesn't need to be a professional care giver as long as the veteran has been rated.