Chart 1     [† means all children believed found, ‡ means death is computed at 112 years]

Steffen, Lawrence E (b:1948)(d:2002)
. . . . .Steffen, Eric John (b:1971)(d:1988)[with: Martin, Christine Z]
. . . . .Steffen, Mathew John (b:1973)(d:)[with: Martin, Christine Z]
. . . . . . . . . .Steffen, Aaron (b:)(d:)[with: Cyrulik, Martha Susan]
. . . . . . . . . .Steffen, Alex (b:)(d:)[with: Cyrulik, Martha Susan]
. . . . . . . . . .Steffen, Elizabeth (b:)(d:)[with: Cyrulik, Martha Susan]
. . . . . . . . . .Steffen, Eric (b:)(d:)[with: Cyrulik, Martha Susan]
. . . . . . . . . .Steffen, Andrew (b:)(d:)[with: Cyrulik, Martha Susan]