I don't think so. Tammi Terell was originally named: Thomasina Winifred Montgomery. Not unless her sister decided to change her name too! Well, I hope this helped.
see below.
http://en.wikipedia.org/wiki/Tammi_Terrell
Chat with our AI personalities
I could only find one and it's pretty old. See related links for it.
Mistress of Joe Jackson and mother of his youngest daughter.
Jackson is alleged to have fathered a child, Joh'Vonnie Jackson, born in 1974, with Cheryl Terrell
Tammy Carter (Nicks) is related (sister) of nationaly known stand up comedian,Actor Kevin Nicks resource wiki
Not sure about parents, but Cheryl and Dana are sisters. Andy is their brother.