Matrilineal families

Matrilineal, relating to, based on, or tracing ancestral descent through the maternal line.

The Sims families that are matrilineal

 * Capp family
 * Summerdream family
 * Tricou family

The Sims families that may be matrilineal

 * Greenman family
 * Landgraab family of Sunset Valley (Nancy and Geoffrey's generation)