Earl of Portmore
It was created in 1703 for the Scottish military commander David Colyear, 1st Lord Portmore.
He was the son of Alexander Colyear, who had been created a Baronet, of Holland, in the Baronetage of England on 20 February 1677.
Lord Portmore married Catherine Sedley, Countess of Dorchester, a former mistress of James II.
His grandson, the fourth Earl (who succeeded his father), sat as Member of Parliament for Boston.
The fourth Earl died without surviving male issue in 1835 when the titles became extinct.
![Arms of Robertson, later Colyear of Holland[1]](http://upload.wikimedia.org/wikipedia/commons/thumb/9/95/Robertson%2C_later_Colyear_of_Holland.png/80px-Robertson%2C_later_Colyear_of_Holland.png)
