Bryce was born to an Anglo-Peruvian family of upper class, related to John Bryce Weddle, ancestor of the Marquesses of Milford-Haven and of the duchesses of Abercon and Westminster.
He was at the same time made Earl of Medina and Viscount Alderney, also in the Peerage of the United Kingdom.
New Haven, Connecticut | New Haven | Charles Cornwallis, 1st Marquess Cornwallis | Robert Gascoyne-Cecil, 3rd Marquess of Salisbury | Milford | Marquess | Francis Rawdon-Hastings, 1st Marquess of Hastings | Richard Wellesley, 1st Marquess Wellesley | Marquess of Bute | Wills Hill, 1st Marquess of Downshire | North Haven | James Broun-Ramsay, 1st Marquess of Dalhousie | David Cecil, 6th Marquess of Exeter | Robert Grosvenor, 1st Marquess of Westminster | New York, New Haven and Hartford Railroad | Henry Paget, 1st Marquess of Anglesey | Frederick Hervey, 8th Marquess of Bristol | Frederick Hamilton-Temple-Blackwood, 1st Marquess of Dufferin and Ava | Victor Hervey, 6th Marquess of Bristol | Robert Wynn Carrington, 1st Marquess of Lincolnshire | Marquess of Rockingham | Marquess of Lansdowne | marquess | John Neville, 1st Marquess of Montagu | Haven, Wisconsin | Freeman Freeman-Thomas, 1st Marquess of Willingdon | Paul Marquess | Milford, Massachusetts | Marquess of Milford Haven | Marquess of Anglesey |
These were the Dukes and Princes of Teck and the Princes of Battenberg, who were compensated with peerages, viz. Marquess of Cambridge and Earl of Athlone for the Tecks, and Marquess of Milford Haven and Marquess of Carisbrooke for the Battenbergs.
Countess Nadejda Mikhailovna de Torby (28 March 1896 – January 1963); married, in 1916, Prince George of Battenberg (later 2nd Marquess of Milford Haven).