William Jardine Gresson
William Jardine Gresson (1869 – 10 January 1934) was a British merchant and politician in Hong Kong and China. He was the son of Mary Fleming Tinning, who was the daughter of Elizabeth "Betsy" Jardine, who was the daughter of David Jardine. David Jardine's brother Dr. William Jardine co-founded one of the largest trading houses in the Far East,  Jardine Matheson & Co. Gresson arrived in Hong Kong in 1892 and became a managing partner in the Jardine Matheson & Co. from 1901 to 1910. He was also a Shanghai Municipal Councillor. He served as unofficial member of the Legislative Council of Hong Kong in 1904 and 1906 to 1910 and Executive Council of Hong Kong in 1904, 1905 and 1908.