The Bonnycastle family of Canada include:Sir Richard Henry Bonnycastle (1791–1847), British soldier Henry William John Bonnycastle (1813–1888), lawyer, militiaman, farmer, councillor, artist Angus Bonnycastle (1873–1941), lawyer, politician, judge Richard H. G. Bonnycastle (1903–1968), lawyer, fur trader, adventurer, book publisher who owned Harlequin Enterprises Richard A. N. Bonnycastle (1934–2023), book publisher, investor, conservationist, racehorse owner/breeder