[4] Few months later, he was transferred to Copenhagen, and in 1884 to Brussels, where he was appointed to the Order of St Michael and St George as a Knight Commander (KCMG) in the 1886 Birthday Honours.

[5] Having succeeded to his father's title in 1886, he was appointed to be a deputy lieutenant of the County of Cornwall in 1887.

[7] His final and highest position was to Rome in 1892, where he remained until he died from pneumonia in 1893.

He was sworn of the Privy Council on the year of his death.

On 8 June 1876, Vivian married Louisa Duff and they had five children, including: