I didn't want to start a new thread. Can someone answer this question please;

Our HH account has 2 companion vouchers, one in my name and the other in my wife's. Our HH account has 4 family members. However, when I log into my BA exec account there is only one voucher showing as available - mine. My wife's companion voucher is showing in her account.

The question is; When searching for reward flight availability for all 4 family members how can I access and redeem the second voucher ?