The original Book of Sires is aggressively patrilineal. Female ancestors appear only as wives, dowries, or sources of a single Love (Family) Passion. A feminist reading would note that the PDF enforces historical patriarchy as a game mechanic, but offers no rules for playing a female knight (except later supplements like Pagan Shore or The Boy King’s optional rules).
If your PDF includes fan-expanded material, it might add matrilineal tables or rules for lady-knights’ lineages. But the core design reveals a deliberate choice: to make players experience the constraints of medieval gender as part of the system’s realism. pendragon book of sires pdf
Chaosium’s Lordly Domains supplement (available as PDF, $14.95) includes a “Lineage History” section very similar to the Book of Sires. It focuses on manorial management but offers 20+ family events. This is your best legal substitute. The original Book of Sires is aggressively patrilineal