His son, the third Marquess, represented Westmorland in Parliament as a Conservative and also served as Lord Lieutenant of County Meath.

His son from his first marriage, Thomas Taylour, Earl of Bective, also sat as a Conservative Member of Parliament.

However, he predeceased his father and on Lord Headfort's death the titles passed to his son from his second marriage, the fourth Marquess.

[9] Another member of the Taylor family was Clotworthy Rowley, fourth son of the first Earl of Bective and younger brother of the first Marquis.

He assumed the surname of Rowley in lieu of Taylor and was created Baron Langford of Summerhill in the Peerage of Ireland in 1800.

[10] On 17 October 1987, as Christopher Bective, he married Susan Jane Vandervell, daughter of Charles Anthony Vandervell,[10] and they have four children: There are further male heirs in line to the earldom of Bective and its subsidiary titles (excepting the barony of Kenlis), who are descended from the younger sons of the 1st earl.