 Hosokawa's wife, Alice, died in 1998, while his youngest son, Peter, died in 2006.He was survived by his two daughters, Christie and Susan, his son, Michael, his brother, Robert Hosokawa, as well as eight grandchildren and seven great grandchildren.In a column published in the "Denver Post" on November 22, 2007, Hosokawa's colleague Fred Brown called him a "champion of civility, dignity and human rights".