Bill & Bruce, Corvallis High School ~ June 2, 1980
Jack, University of Michigan ~ May 1, 1982
Bill, Kent State University ~ December 15, 2001
Erin ~ June 2, 2004
Billy, University of Michigan ~ May 4, 2005
Michael / Kenneth, South Albany High School ~ June 8, 2005
Bruce, University of Phoenix ~ June 25, 2006
Matthew, South Albany High School ~ June 6, 2007
Michael, College ~ June 5, 2010
Matthew, College ~ December 11, 2011