The Earl bears the subsidiary titles of Viscount Wolmer (1882) and Baron Selborne (1872), both in the Peerage of the UK.
Earls of Selborne (1882) Roundell Palmer, 1st Earl of Selborne (1812-1895) William Waldegrave Palmer, 2nd Earl of Selborne (1859-1942) Roundell Cecil Palmer, 3rd Earl of Selborne (1887-1971) John Roundell Palmer, 4th Earl of Selborne (b. 1940)
