Father
Arthur Edward Petersen,
Sr. (1907–2004)
Mother
Helen June (nee Hoene, 1909 - 2006)
Sister
Anne, Mary Kay, Elizabeth
Spouse
Joanne Brady (1974 - 1981), Gina Cirone (biology teacher, since 14-Jun-03)
Daughter
Maite (b. 1975), (twin, b. 5-Jul-11)