His elder brother Francis Head Bulkeley Johnson, also has his claim to fame:
Sydney Morning Herald, 20 May 1904 Mr. F. H. Bulkeley-Johnson, Private Secretary to his Excellency the Governor-General, Lord Northcote, leaves for New Zealand this week; thence he proceeds to England, via San Francisco.
Francis’ son, Vivian Francis Bulkeley-Johnson, also had a notable military career, was the second husband of Cornelia Stuyvesant Vanderbilt,(who inherited $40,000,000 from her father) and became the Inland Waterways Association Honorary Treasurer, with an award, the Vivian Bulkeley-Johnson Salt, still in existence today.