William Colyear, 3rd Earl of Portmore
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William Charles Colyear (1745-1823), Lord Milsington and (from 1785) 3rd Earl of Portmore.
Father of Thomas Charles Colyear, 4th Earl of Portmore.
His grey mare, Tiffany, won the 50 l. weight-for-age race at Salisbury Races in 1780.