I have numbered the generations like this:
1. Simon and Rachel
2. Alter, Harry, Louis, George, and Max: solid round bullet in the family tree
3. My father's generation: open round bullet in the family tree
4. My generation: open square bullet in the family tree
5. Cordelia's and Doug's generation: also an open square bullet.
6. James Doss-Gollin's generation: also an open square bullet
Gerald Gollin (generation 4) is a fellow in pediatric surgery in Buffalo. He is married to Yvonne, who is a practicing perinatalogist, and Clinical Assistant Professor in gynecology and obstetrics at Children's Hospital, SUNY Buffalo.