Question: Who is the father of the performer of song Gay Messiah?

Knowledge 1: Gay Messiah
"Gay Messiah" is a song written and performed by American-Canadian singer-songwriter Rufus Wainwright.It originally appeared on his EP, "Waiting for a Want", released by DreamWorks Records in June 2004 as a preview of his fourth studio album, "Want Two", released by Geffen Records in November 2004. [SEP] Knowledge 2: Rufus Wainwright
Rufus McGarrigle Wainwright (born July 22, 1973) is an American-Canadian singer, songwriter, and composer.He has recorded seven albums of original music and numerous tracks on compilations and film soundtracks.He has also written a classical opera and set Shakespeare sonnets to music for a theater piece by Robert Wilson.Wainwright's self-titled debut album was released through DreamWorks Records in May 1998.His second album, "Poses", was released in June 2001.Wainwright's third and fourth studio albums, "Want One" (2003) and "Want Two" (2004), were repackaged as the double album "Want" in 2005.In 2007, Wainwright released his fifth studio album "Release the Stars" and his first live album "Rufus Does Judy at Carnegie Hall".His second live album "Milwaukee at Last!!!" was released in 2009, followed by the studio albums  (2010) and"Out of the Game" (2012).The double album "Prima Donna" (2015), was a recording of his opera of the same name.His ninth studio album  (2016), featured nine adaptions of Shakespeare's sonnets.Wainwright is the son of musicians Loudon Wainwright III and Kate McGarrigle, and the older brother of singer Martha Wainwright.
Knowledge 1: Rufus Wainwright
Rufus McGarrigle Wainwright (born July 22, 1973) is an American-Canadian singer, songwriter, and composer.He has recorded seven albums of original music and numerous tracks on compilations and film soundtracks.He has also written a classical opera and set Shakespeare sonnets to music for a theater piece by Robert Wilson.Wainwright's self-titled debut album was released through DreamWorks Records in May 1998.His second album, "Poses", was released in June 2001.Wainwright's third and fourth studio albums, "Want One" (2003) and "Want Two" (2004), were repackaged as the double album "Want" in 2005.In 2007, Wainwright released his fifth studio album "Release the Stars" and his first live album "Rufus Does Judy at Carnegie Hall".His second live album "Milwaukee at Last!!!" was released in 2009, followed by the studio albums  (2010) and"Out of the Game" (2012).The double album "Prima Donna" (2015), was a recording of his opera of the same name.His ninth studio album  (2016), featured nine adaptions of Shakespeare's sonnets.Wainwright is the son of musicians Loudon Wainwright III and Kate McGarrigle, and the older brother of singer Martha Wainwright. [SEP] Knowledge 2: Caspar Babypants
Caspar Babypants is the stage name of children's music artist Chris Ballew, who is also widely known as the singer of The Presidents of the United States of America.
Knowledge 1: Cleomenes II
Cleomenes II( died 309 BC) was Agiad King of Sparta from 369 to 309 BC.The son of Cleombrotus I, he succeeded his brother Agesipolis II.He was the father of Acrotatus I, the father of Areus I, and of Cleonymus, the father of Leonidas II. [SEP] Knowledge 2: Yasuichi Oshima
He is the father of manga artist Towa Oshima.

Answer: Loudon Wainwright III