1. Problem 6(b)
L.E.
L.E. T A
Akid1
Ag-child
L.E.
Akid2
Ag-child2
ShE.I. B
Bheirs
Tdies

2. Problem 6(c)
L.E.
L.E. T A
Akid1
Ag-child
L.E.
Akid2
Ag-child2
ShE.I. B
Bcildren
Tdies

3. Bchildren-then-living Bchildren B
Problem 6(d)
L.E.
L.E. T A
Akid1
Ag-child
L.E.
Akid2
Ag-child2
ShE.I.
Bchildren-then-living
Bchildren B
Bchildren
Bchildren-then-living
Tdies
Bchildren
B dies
Last child of A dies

4. Bchildren-then-living Bchildren
Problem 6(f)
Tg-child
Tkid
Tkid
L.E.
L.E. T A
Akid1
Ag-child
L.E.
Akid2
Ag-child2
ShE.I.
Bchildren-then-living
Bchildren
Bchildren
Bchildren-then-living
Tdies
Bchildren
B dies
Last child of A dies