
01 GRANDCHILD .
05 PARENT .
10 ATTR1 PIC X(32).
10 ATTR2 PIC X(32).
05 CHILD .
10 ATTR5 PIC X(32).
10 ATTR6 PIC X(32).
10 CONTAINMENT .
15 ATTRIBUTE1 PIC X(32).
15 REF USAGE POINTER.
05 GRANDCHILD .
10 ATTR7 PIC X(32).
05 FLAT redefines GRANDCHILD.
10 FLAT-ATTR1 PIC X(32).

01 GRANDCHILD .
05 PARENT .
10 ATTR1 PIC X(32).
10 ATTR2 PIC X(32).
05 REDEF-PARENT redefines PARENT.
10 ATTRIBUTE1 PIC X(32).
05 CHILD .
10 ATTR5 PIC X(32).
10 ATTR6 PIC X(32).
10 CONTAINMENT .
15 ATTRIBUTE1 PIC X(32).
15 REF USAGE POINTER.
05 GRANDCHILD .
10 ATTR7 PIC X(32).
05 FLAT redefines GRANDCHILD.
10 FLAT-ATTR1 PIC X(32).
Combination of these relationships (stereotyped or not) can be used in the class diagram in order to describe the appropriate data structures.