Marilyn Borden was an American actress and singer who with her sister, Rosalyn Roz Borden, were known as the Borden Twins. The duo are bestremembered for their appearance on I Love Lucy playing Teensy and Weensy in the episode Tennessee Bound .
Marilyn and Rosalyn Borden were born in Hartford, Connecticut on May 29, 1932, to Harry and Elizabeth Borden and would be followed by a younger sister, Barbara, in 1945. Shortly after the birth of Barbara, Harry left the family.
Source: Wikipedia