Sandra Green (Marlo Thomas) — Rachel's mother. In "The One with the Lesbian Wedding"[e 7] she announces to Rachel that she is divorcing her father. She later accompanies everyone to Carol and Susan's wedding. In "The One with Two Parties"[e 64] she arrives at Rachel's birthday party and is unaware for the whole night that her ex-husband is also there. In "The One with the Baby Shower"[e 65] she decides to move in with Ross and Rachel to help with the baby's first months but Ross changes her mind.
For her appearance in "The One with the Lesbian Wedding",[e 7] Thomas was nominated for the Primetime Emmy Award for Outstanding Guest Actress in a Comedy Series.