 He donated money to the creation of a bronze statue of the Welsh prince Owain Glyndŵr at Pennal Church, near Machynlleth, in Wales, unveiled in September 2004.He is also believed to have contributed funds to a slate carving of Glyndŵr's coat of arms at the Celtica museum in Machynlleth.Plant is part of a Glyndŵr network, and attends meetings about him in Wales.