The unique association, featuring 18 family graduates across 80 years, has involved Longerenong, Dookie, Glenormiston and Marcus Oldham colleges.
Family members attended a plaque-unveiling ceremony at Longerenong College yesterday.
Former west Wimmera councillor Ron Hawkins, who attended the college in 1954 and 1956, said the family thanked the college for the dedication.
“It’s a long involvement and a big day for the family,” he said.
“There are 18 family graduates of which 16 are still with us.”
Other Hawkins family members to study at the agricultural colleges have been Alwyn, 1941-43; Mac, 1942-44; Graeme, 1959-62; Wayne, 1972-73; John, 1976-77; Rowan, 1979-80; Peter, 1981-82; Andrew, 1986-88; Nick, 1988-89; Tim, 1990-91; Matthew, 1991-92; Barb, 1995-96; Laura, 2006-10; Tara, 2006-09; Kirsty, 2009-11; Gavin, 2011-12; and James, 2016-17.