Grosvenor was born 18 July 1869 in Hackney, London the son of William and Emily Harriett Grosvenor.
In 1912, he won the silver medal with the British team in the team clay pigeons competition. In the individual trap event he finished 16th. At the end of 1912, he married Ida Vincent in Stroud Green, Haringey, London. Eight years later, he finished fourth as a member of the British team in the team clay pigeons competition.[2]
