Harris (贺锦丽是其在旧金山时取的中文名） 是小三吗？

在Harris和Willie Brown约会的时候，Brown是单身。 

https://en.wikipedia.org/wiki/Willie_Brown_(politician) 

In September 1958, Brown married Blanche Vitero, with whom he had three children. He has four grandchildren and a step-granddaughter. According to a 1984 New York Times article, Brown and Vitero separated amicably in 1982.^[80] James Richardson, a reporter for The Sacramento Bee, said of Brown, "The measure of his flamboyance is he'll go to a party with his wife on one arm and his girlfriend on the other."^[81]

Brown also has a daughter, Sydney Brown, with philanthropic fundraiser Carolyn Carpeneti.^[56]

From 1994 to 1995,^[82] Brown dated Kamala Harris, who worked as an Alameda County Deputy District Attorney at the time