They acquired Slaidburn in the late 19th century-
Walk 2216 - Slaidburn Village Trail - Ribble Valley - Forest of Bowland AONB Lancashire - a detailed walk description from Walking Britain
extract-
"Slaidburn is unusual in that much of it is controlled by the King-Wilkinson family, which has owned most of the village since the late 19th century"
Since this landowning family wish to appear to have noble intentions - it is overdue for 'donation'.