Henry "Harry" Richard Trenholme was born on February 2, 1873, in Montreal, Quebec.

He was a prominent Montreal businessman. He graduated from McGill University with the degree of Bachelor of Science in 1896. With his brother Wilfred, he took over the Elmhurst Dairy Firm from his father. When the company was re-organized in the 1920s, he retired from active management but remained its president. He was captain of the football team at McGill, a member of the Royal Montreal Curling Club, the Royal Montreal Golf Club, and the Mount Bruno Club.

In 1901, he married Emma Willard. He died on October 16, 1936, in Montreal, Quebec.

Emma Merab Willard Trenholme was born on June 21, 1877, in Waterloo, Quebec.

In 1901, she married Henry Richard Trenholme, a prominent Montreal businessman. She died on October 8, 1965, in Montreal, Quebec.

George Edward Tremble was born in 1896 and was Surgeon Sub-Lieutenant of the Royal Naval Volunteer Reserve prior to receiving his M.D., C.M. from McGill University in 1921. He was a resident of Westmount.

After completing his medical education, he became otolaryngologist at the Royal Victoria Hospital in Montreal. He entered private practice around 1928. In 1935, he coauthored a paper with Dr. Penfield titled "Operative Exposure of the Facial Canal. Removal of Tumour of the Greater Superficial Petrosal Nerve".