Edward Marjoribanks, 2nd Baron Tweedmouth,, was a moderate British Liberal Party statesman who sat in the House of Commons from 1880 until 1894 when he inherited his peerage and then sat in the House of Lords. He served in various capacities in the Liberal governments of the late 19th and early 20th centuries.

Dudley Coutts Marjoribanks, 1st Baron Tweedmouth, also known as the Laird of Guisachan and Glenaffric, was a Scottish businessman and a Liberal politician who sat in the House of Commons from 1853 until 1880, when he was elevated to the peerage as Baron Tweedmouth. He was the breeder of the first golden retriever.