Question: Who were the live-in lovers of the founder of "Playboy" magazine in 1999 and 2000?

Passages:
The Playboy Mansion (also known as the Playboy Mansion West) was the home of late "Playboy" magazine founder Hugh Hefner.  Located in Holmby Hills, Los Angeles, California, near Beverly Hills, the mansion became famous during the 1970s through media reports of Hefner's lavish parties. This list of people in "Playboy" 1990–99 is a catalog of women and men who appeared in "Playboy" magazine in the years 1990 through 1999.  Note that not all of the people featured in the magazine are pictured in the nude. Hugh Marston Hefner (April 9, 1926 – September 27, 2017) was an American businessman, magazine publisher and playboy.  He was the editor-in-chief of "Playboy" magazine, which he founded in 1953.  He was also the chief creative officer of Playboy Enterprises, which is the publishing group that operates the magazine.  An advocate of sexual liberation and freedom of expression, Hefner was a political activist and philanthropist in several other causes and public issues. The following is a list of Playboy Playmates of 1999, the 45th anniversary year of the publication. " Playboy" magazine names its Playmate of the Month each month throughout the year. This list of people in "Playboy" 2000-09 is a catalog of women and men who appeared in "Playboy" magazine between the years 2000 and 2009, inclusive.  Note that not all of the people featured on the cover or in the magazine model in the nude. Jaime Boreanaz (née Bergman; born September 23, 1975) is an American model and actress who was "Playboy" magazine's Playmate of the Month in January 1999, its 45th Anniversary issue.  In addition to her magazine appearance she has appeared in several "Playboy" videos. Elisa Rebeca Bridges (May 24, 1973 – February 7, 2002) was an American actress and model.  She is "Playboy" magazine's Playmate of the Month for December 1994, and "Playboy's" Video Playmate of the Month for September 1996.  She appeared in several video productions from "Playboy" Home Video from 1996 to 2000.  After appearing in "Playboy", she modeled frequently on assignments in Los Angeles, Miami, and Hawaii.  She also appeared as a model for "Perfect 10".  She was born in Miami and raised in Houston. Nobuyoshi Tamura (田村 信喜 , Tamura Nobuyoshi , 2 March 1933 in Osaka – 9 July 2010) was a prominent aikidoka and a direct student of Morihei Ueshiba.  The son of a kendo teacher, Tamura entered the Aikikai Hombu Dojo in 1953 as an uchi-deshi (live-in student) of aikido founder Morihei Ueshiba.  He was one of Ueshiba's favorite pupils and since 1964 has greatly contributed to the development of aikido in Europe and France in particular.  He was the National Technical Director (DTN) of the FFAB (French Federation of Aikido and Budō).  He held the rank of 8th dan and the title of Shihan.  Throughout his teaching career he trained many others instructors in various countries around the world but foremost Western Europe.  In 1999, he received the medal of "Chevalier de l'ordre National du Mérite" from the French government.  Tamura published several books on aikido in French.  His dojo, Shumeikan Dojo, is located in the village of Bras, France. Sandy Bentley (born May 18, 1978, in Joliet, Illinois) is notable both individually and with her sister Amanda (Mandy) Bentley as the Bentley Twins.  The 5 foot 9 inch tall twins were featured on the May 2000 cover of Playboy Magazine and were well known as Hugh Hefner's live-in lovers at the Playboy Mansion, during 1999 and 2000. The Girls Next Door, also known as The Girls of the Playboy Mansion, is a reality television series which originally aired on E! from August 7, 2005 until August 8, 2010.  The series was created by executive producer Kevin Burns and Hugh Hefner, founder of "Playboy" magazine.

Supporting sentences:
 The 5 foot 9 inch tall twins were featured on the May 2000 cover of Playboy Magazine and were well known as Hugh Hefner's live-in lovers at the Playboy Mansion, during 1999 and 2000. Hugh Marston Hefner (April 9, 1926 – September 27, 2017) was an American businessman, magazine publisher and playboy.  He was the editor-in-chief of "Playboy" magazine, which he founded in 1953.