Ralph Gerard Alexander Hamilton, Master of Belhaven, who died in action during the First World War, she was a famous huntress.

Some of the animals she killed were: hippopotamus, wildebeest, leopard, rhinoceros, waterbuck, cape buffalo; her hunts were extensively covered in popular magazines and newspaper articles.

On 1 March 1904 (which landed on Saint David's Day), Grizel married Ralph Gerard Alexander Hamilton, Master of Belhaven at Henry VII Chapel, London.

Her father was absent from her wedding due to his military duties in Canada, in lieu of this, her uncle Thomas Cochrane walked her down the aisle and then her mother gave her away.

[6][7] In the last year of the First World War, Grizel became a widow when her husband was killed in action on Easter Sunday by a shell on the Western front, this affected her greatly, as she never remarried.