>>213373588
>"in the end, Tyrion chose a cask of strongwine marked as the private stock of Lord Runceford Redwyne, the grandfather of the present Lord of the Arbor"
Runceford was Olenna Tyrell's father. She, rather than Paxter Redwyne scheming against his double cousins, is the one plotting with Illyrio and as part of their correspondence sent him some of the Redwyne family vintage that would logically have been part of her dowry.