The windmill was used in the rebus badge of Kingsmill, 1557 [Siddons II.2 336]. A pair of windmill’s sails alone were also used, in the arms of Newmarche, c.1460 [RH], and as the badge of Willoughby, 1449 [HB 157]. See also whirligig.
The Baron of Delftwood bears: Quarterly azure and argent, a windmill, sails crosswise, and in sinister chief a laurel wreath counterchanged.
Alis of Tuscon bears: Quarterly azure and argent, a windmill gules, vanes throughout and set saltirewise Or.
Marcos de Valencia bears: Or, three windmills purpure.