They are related biologically.
Mary Mary is an American contemporary gospel duo, consisting of sisters Erica Atkins-Campbell and Trecina "Tina" Atkins-Campbell. There is no third sister by the name of Erica.
Both sisters are married to men that happen to have the same last name, which is Campbell
In 2000, Tina married Teddy Campbell, who is the drummer for The Tonight Show Band.
Erica married record producer Warryn Campbell on May 26, 2001.
· 6 years ago