Question: When was Grace Van Pelt's husband born?

Context paragraphs:
Wayne Rigsby: Wayne Rigsby is a fictional character on the CBS crime drama "The Mentalist", portrayed by Owain Yeoman.  Rigsby is an agent for the fictionalized California Bureau of Investigation.  He is currently a private investigator running a private investigation agency with his wife Grace Van Pelt.

Owain Yeoman: Owain Sebastian Yeoman (born 2 July 1978) is a Welsh actor.  His credits include "The Nine", "Kitchen Confidential", AMC's "" (as Benedict Arnold) and the HBO series "Generation Kill".  Additionally, he portrayed State Police Agent Wayne Rigsby in "The Mentalist".

Linus van Pelt: Linus van Pelt is a character in Charles M. Schulz's comic strip "Peanuts".  The best friend of Charlie Brown, Linus is also the younger brother of Lucy van Pelt and older brother of Rerun van Pelt.  He first appeared on September 19, 1952, but was not mentioned by name until three days later.  He was first referred to two months earlier, on July 14.  Linus spoke his first words in 1954, the same year he was shown with his security blanket.

John Vredenburgh Van Pelt: John Vredenburgh Van Pelt, F.A.I.A., A.D.G.F., (February 24, 1874 – 1962) was an architectural historian, author, and American architect active in early to mid-twentieth-century New York City.  He was a partner in Green & Van Pelt (1906), in Thompson & Van Pelt (1925), and Van Pelt, Hardy & Goubert (1928–1930).  He had his offices in New York City and Patchogue, Long Island.

Wouter van Pelt: Wouter van Pelt (born 23 April 1968 in Alphen aan den Rijn) is a former Dutch field hockey player, who played 236 international matches for the Netherlands, in which he scored 21 goals.  The defender made his debut for the Dutch on 27 March 1989 in a match against England.  He played in the Dutch League for HDM and Breda.  Van Pelt was a member of the Dutch national team that won the golden medal at the 1996 Summer Olympics in Atlanta, Georgia.  Four years later, at the 2000 Summer Olympics in Sydney, the Dutch once again won the title, with Van Pelt on board.  He stopped playing hockey at top level in 2005.

Amanda Righetti: Amanda Righetti (born April 4, 1983) is an American actress.  She is best known for her role as Grace Van Pelt on "The Mentalist", as well as her roles in "Friday the 13th", "The O.C." and "Colony".

Grace Van Pelt: Grace Van Pelt is a fictional character on the CBS crime drama "The Mentalist", portrayed by Amanda Righetti.  Van Pelt is a former special agent in the fictionalized California Bureau of Investigation (CBI).  She is currently a private investigator running a private investigation agency with her husband Wayne Rigsby.

Watery Grave (EP): The "Watery Grave" EP was Graham Van Pelt's first release under his solo project Miracle Fortress.  The self-released 5 song EP was recorded in 2005 at Friendship Cove, a recording studio/indie rock venue owned by Van Pelt and fellow friend Jack Dylan.  The success of "Watery Grave" gained Van Pelt the attention of Montreal, Canada-based record label Secret City, which led to a collaboration that yielded his first full-length album "Five Roses".

Van Pelt Library: The Charles Patterson Van Pelt Library (also known as the Van Pelt-Dietrich Library Center, and simply Van Pelt) is the primary library at the University of Pennsylvania.

Brad Van Pelt: Brad Alan Van Pelt (April 5, 1951 – February 17, 2009) was an American football linebacker who played 14 seasons in the National Football League (NFL).  A two-time All-American (1971, 1972) and the 1972 Maxwell Award winner as college football's best player, he was drafted by the New York Giants, earning five Pro Bowl selections during his ten years with the team.  He rounded out his career with the Los Angeles Raiders from 1984 to 1985 and the Cleveland Browns in 1986.  Van Pelt is the father of former Denver Broncos and Houston Texans quarterback Bradlee Van Pelt.

Supporting paragraphs: Wayne Rigsby Owain Yeoman
Answer: 2 July 1978