Locate the diagonals
The paternal diagonal connects the upper-left corner F, center E, and lower-right corner H. The maternal diagonal connects upper-right G, center E, and lower-left I. F=reduce(A+B), G=reduce(B+C), H=reduce(C+D), and I=reduce(D+A).
For 28 November 1987, those corners are 21, 18, 17, and 20. The paternal line is 21 → 11 → 17; the maternal line is 18 → 11 → 20. The chart uses both lines for everyone.
Ask about learned patterns
Family reflection can focus on what you observed and learned: ways of handling conflict, asking for help, working, celebrating, or expressing affection. A chart theme can suggest a question, but your actual history supplies the relevant information.
A completion theme might prompt a question about finishing responsibilities. An uncertainty theme might invite reflection on assumptions. Neither number proves that a particular relative behaved in a particular way.
Make room for different family structures
Not everyone knows or grew up with both biological parents. Caregivers, extended family, chosen family, and community can all influence experience. You do not need to invent a story to make the labels fit.
Use the line as an optional framework, and rename a journaling question if that makes it more appropriate. The arithmetic remains the same regardless of family structure or gender identity.
Separate appreciation from obligation
Write one family practice you want to keep and one you want to change. You can appreciate what you received while deciding that a different response works better for you now.
Avoid using the chart to accuse a relative or tell someone what they must heal. A respectful conversation begins with your own observations and choices. The diagram cannot establish another person’s motives or responsibilities.
A question to carry with you
What part of this reflection can I check against my own experience?
References & context
References for the calculation method and Arcana tradition.