Four or more generations of descendants of Ada Gwendolyn Curtis (1892-1980) if they are properly linked:
1. Ada Gwendolyn Curtis (1892-1980)
- 2. Frances Muriel Robinson (1917-1993)
- 2. Gladys Susan Robinson (1918)
- 3. Charles Curtis Metzger (1947)
- 3. Peter Tolfree Metzger (1948)
- 3. Susan Ellen Metzger (1950)
- 4. Eli Dunham Levick (1973)
- 4. Melaney Ellen Levick (1975)
- 2. Ada Gwendolyn Robinson (1925)
- 2. Howard Curtis Robinson (1926)