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.

The Golden Retriever is a Scottish breed of retriever dog of medium size. It is characterised by a gentle and affectionate nature and a striking golden coat. It is commonly kept as a pet and is among the most frequently registered breeds in several Western countries. It is a frequent competitor in dog shows and obedience trials; it is also used as a gun dog and may be trained for use as a guide dog.