Question: When was the wife of the man known by the nickname Boston Rob born?

Context paragraphs:
Onchan Village Hall: Onchan Village Hall is one of eleven buildings in the Isle of Man known to have been built by Baillie Scott.  The Scottish architect and designer then resident on the Isle of Man had won the commission for the building through a design competition held by Onchan Commissioners for the proposed new hall.  The building was constructed in 1897-8 and it is still in regular use today.

Stalking Cat: Stalking Cat (born Dennis Avner; August 27, 1958 – November 5, 2012) was an American man known for his extensive body modifications, which were intended to increase his resemblance to a tigress.  For his 14 surgical procedures towards that goal, he held a world record for "most permanent transformations to look like an animal."  The name "Stalking Cat" is a Native American name, given to him in childhood by a medicine man of his tribe.

John Gilbert (actor): John Gilbert (born John Cecil Pringle; July 10, 1899 – January 9, 1936) was an American actor, screenwriter and director.  He rose to fame during the silent film era and became a popular leading man known as "The Great Lover".  At the height of his career, Gilbert rivaled Rudolph Valentino, another silent film era leading man, as a box office draw.

Robert Harrill: Robert E. Harrill (February 2, 1893 – June 3, 1972) was an American man known as "The Fort Fisher Hermit".  He became a hermit in 1955 at the age of 62 after a string of unsuccessful and unsatisfying jobs and a failed marriage.  Harrill hitchhiked to Fort Fisher on the North Carolina Coast from Morganton, North Carolina, a distance of 260 miles (418 km).  He had been committed to a mental hospital in Morganton by his in-laws, after his wife, Katie Hamrick, left him and asked for a divorce.  Harrill apparently walked away from the hospital or made a key from an old spoon and used the key to escape the facility.

Amber Mariano: Amber Joy Mariano (née Brkich; born August 11, 1978) is an American television personality and winner of "" with its $1,000,000 prize, after appearing as a contestant on one of its predecessors, "".  She is married to fellow Survivor contestant of , All-Stars, and winner of , Rob Mariano, with whom she appeared in "The Amazing Race".

Ernie Nevers: Ernest Alonzo Nevers (June 11, 1903 – May 3, 1976), sometimes known by the nickname "Big Dog", was an American football and baseball player and football coach.  Widely regarded as one of the best football players in the first half of the 20th century, he played as a fullback and was a triple-threat man known for his talents in running, passing, and kicking.  He was inducted with the inaugural classes of inductees into both the College Football Hall of Fame in 1951 and the Pro Football Hall of Fame in 1963.  He was also named in 1969 to the NFL 1920s All-Decade Team.

William Riley Dunham: William Riley Dunham (1856–1921), “the man known by name by more men, women and children than any other one man in Tipton County,” according to a 1912 issue of the Kempton Courier, was a member of the Indiana General Assembly, representing Hamilton and Tipton counties from 1913-1915.  William Riley was born to Samuel Goodnight Dunham and Eliza Matilda Reese, President Barack Obama's great-great-great grandparents, making him President Barack Obama's great-great-great uncle.  William Riley died in 1921 of "traveling sickness."

Rob Mariano: Robert Carlo Mariano (born December 25, 1975), known by the nickname Boston Rob, is an American television personality, widely known for appearing in several reality shows, including "Survivor", and "The Amazing Race" with his wife, Amber (Brkich) Mariano.  In 2011, he won "" and the $1,000,000 prize in his fourth appearance on "Survivor".

Avner the Eccentric: Avner Eisenberg "Avner the Eccentric" (born August 26, 1948) is an American vaudeville performer, clown, mime, juggler, and sleight of hand magician.  He played the title role (the Holy Man known as the "Jewel") in the 1985 film "The Jewel of the Nile".  John Simon described him in 1984 as "A clown for the thinking man and the most exacting child."

Richard C. Weaver: Richard C. Weaver is a Californian man known by the nickname Handshake Man.  Weaver has earned notoriety for frequently bypassing the US Secret Service and shaking the hand of the United States President.

Supporting paragraphs: Rob Mariano Amber Mariano
Answer: August 11, 1978