Sandra Green is the mother of Rachel Green. She divorced Rachel's dad as "(Rachel) didn't marry (her) Barry but (Sandra) did." In one memorable moment she asked if Monica and Rachel had any marijuana as part of her celebrating her imminent separation from her husband. She also danced with a "wonderfully large woman" at Carol and Susan's lesbian wedding, noting that whilst it was not necessarily something she would pursue, it was "Nice to know I have options". Upon seeing the Ugly Naked Guy, she comments on his actions referring to him as an "unattractive nude man". Sandra Green also displays many of the characteristics that Rachel had before she set out on her own, including dependence on others for money, lack of respect for people in minimum-wage jobs, and lenient attitude towards marriage. However, upon seeing Rachel happy in her independent state, she says that she also desires to be independent. During Rachel's birthday party in Season Two, Sandra and her ex-husband each attended the party, prompting the gang to throw two separate parties to prevent the two interacting. As a last effort to conceal their presence from each other, Joey kissed Sandra while the gang smuggled Rachel's father past them, prompting Sandra to comment that it was the best party she'd been to in years. When Monica runs Rachel a baby shower in season 8 she forgets to invite Sandra Green, however invited both of Rachel's sisters, although only Sandra arrived. For a time, Sandra attempted to invite herself to live with Rachel to help her cope with the baby, but Ross helped Rachel see that she needed to learn how to be a mother on her own. Sandra showed hatred to Monica during the shower, Monica sticks up for herself and slams the door on Sandra as she leaves however she opens the door and chases after Sandra apologizing.