Family and Education
b. c. 1680 2nd s. of Robert Ker (Kerr), 3rd earl of Roxburghe [S] (d.1682), and Margaret, da. of John Hay, mq. of Tweeddale [S], sis. John Hay, 2nd mq. of Tweeddale [S]; bro. of Hon William Ker. educ. travelled abroad (France, Italy) 1701–2. Floors Castle, Roxburghe mss, 726; NAS, Hay of Belton mss, Roxburghe to Ld. David Hay, 28 May, 4 Sept. 1701; HMC Buccleuch, ii. 760–61. m. 1 Jan. 1708, Mary (d.1718), da. Daniel Finch, 2nd earl of Nottingham, wid. William Savile, 2nd mq. of Halifax, 1s. KG 10 Oct. 1722. d. 27 Feb. 1741.
Offices Held

Sec. of state [S] 1704–5 (jt.), 1716–25; PC [S] 1704–8, Lockhart Letters, 6. PC 1709 – d.; regent Aug. – Sept. 1714; kpr. privy seal [S] 1714 – 16; kpr. signet [S] 1716–?; TNA, SP 54/12/274. ld. justice 1716, 1720, 1723, 1725; dep. high constable [S] 1727.

Commr. supply, Roxburgh, Stirling 1703; burgess, Edinburgh, 1703; Scot. Rec. Soc. lxii. 177. ld. lt. Roxburgh and Selkirk 1715 – d.

FRS 1717; gov. Foundling Hosp. 1739–d. Copy of R. Charter Establishing Hosp. for … Exposed and Deserted Young Children (1739), 4.

Parlimentarian
Associated with: Floors Castle, Roxburgh; Halifax House, St James’ Sq., Westminster.Dasent, Hist. of St James’ Sq. App. A.;
Likenesses

oil on canvas by unknown artist, National Galleries of Scotland, PG 1021; mezzotint by J. Faber, aft. J. Richardson, 1741, NPG D21534.

Volume
Lords 1660-1715
Will
Estates
Oxford 1644
No
Addresses
Religion
Image