Dear Khun.Lowdy,
I have checked with the airline already. For now K.Jordy have miles on memberships 66,896 miles. For the trip for Jon must to use 24,500 miles. But can't use Jordy's mileage for Jon now because Jon are not nominee on Jordy's memberships. You must to add Jon's details into Jordy's memberships by the website and then you can use Jordy's mileage for Jon.