Kekuʻiapoiwa II
Kekuʻiapoiwa II was a Hawaiian chiefess and the mother of the king Kamehameha I.
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.
Trinidad Tecson
Trinidad Perez Tecson (November 18, 1848 – January 28, 1928), known as the "Mother of Biak-na-Bato" and "Mother of Mercy", fought to gain Philippines independence.
She was given the title "Mother of Biak-na-Bato" by Gen. Emilio Aguinaldo.
She was also cited as the "Mother of the Philippine National Red Cross" for her service to her fellow Katipuneros.
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.
Billy Milano
Billy Milano is a Bronx- born heavy metal musician now based in Austin, Texas.
He is the singer and- occasionally- guitarist and bassist of crossover thrash band M.O.D., and he was also the singer of its predecessor, Stormtroopers of Death.
He was also the singer of United Forces, which also featured his Stormtroopers of Death bandmate Dan Lilker.
O Valencia!
" O Valencia!" is the fifth single by the indie rock band
The Decemberists, and the first released from their fourth studio album," The Crane Wife".
The music was written by The Decemberists and the lyrics by Colin Meloy.
It tells a story of two star- crossed lovers.
The singer falls in love with a person who belongs to an opposing gang.
At the end of the song, the singer's lover jumps in to defend the singer, who is confronting his lover's brother( the singer's" sworn enemy") and is killed by the bullet intended for the singer.
Minamoto no Chikako
She was the mother of Prince Morinaga.
Sanssouci (song)
"Sanssouci" is a song written by Rufus Wainwright; appearing as a track on his fifth studio album, "Release the Stars" (2007).
The name is a reference to the Sanssouci palace built by Frederick the Great in Potsdam, Germany.
The studio recording of the song used in "Release the Stars" includes both Wainwright's sister, Lucy Wainwright Roche, and his long-term friend singer-songwriter Teddy Thompson, on backing vocals.
Originally a French term, the expression sans souci translated into English means roughly "without worrywithout cares", or "carefree".
Fatima bint Mubarak Al Ketbi
Fatima bint Mubarak Al Ketbi is the third wife of Sheikh Zayed bin Sultan Al Nahyan, the founder and inaugural president of United Arab Emirates, and late emir( ruler) of Abu Dhabi.
She is referred to as the mother of sheikhs and as the Mother of the UAE.
Bernie Bonvoisin
Bernard Bonvoisin, known as Bernie Bonvoisin( born 9 July 1956 in Nanterre, Hauts- de- Seine), is a French hard rock singer and film director.
He is best known for having been the singer of Trust.
He was one of the best friends of Bon Scott the singer of AC/ DC and together they recorded the song" Ride On" which was one of the last songs by Bon Scott.

Question: Who is the mother of the performer of song Sanssouci (Song)?
Answer: Kate McGarrigle