Question: Who is the child of Graziano Rossi?

Knowledge 1: Graziano Rossi
Graziano Rossi (born 14 March 1954 in Pesaro) is an Italian former Grand Prix motorcycle road racer.He is the father of 9 times motorcycle World Champion Valentino Rossi.He began racing in the World Championship in 1977 riding a Suzuki in the 500cc class.He had his best year in 1979 when he earned three victories and five podiums in the 250 class aboard a Morbidelli, finishing third in points. [SEP] Knowledge 2: Valentino Rossi
Valentino Rossi (born 16 February 1979) is an Italian professional motorcycle road racer and multiple MotoGP World Champion.Rossi is one of the most successful , with nine Grand Prix World Championships to his name – seven of which are in the premier class.Rossi is also the only road racer to have competed in 400 or more Grands Prix.He has ridden with number 46 his entire career, also when being the title defender.After graduating to the premier class in 2000, Rossi won the 500cc World Championship and 8 Hours of Suzuka with Honda in 2001, the MotoGP World Championships (also with Honda) in 2002 and 2003 and continued his streak of back-to-back championships by winning the 2004 and 2005 titles after leaving Honda to join Yamaha.All of those titles were won in a dominant manner, being decided before the final round on all occasions.He lost the 2006 title with a crash in the final round at Valencia, ceding the title to his former Honda teammate Nicky Hayden.In 2007 Rossi and Yamaha were of no match to a dominant Casey Stoner on a Ducati, and Rossi ultimately finished a then career-low third overall.Rossi regained the title in 2008 following several tight duels with title defendant Stoner and retained it in 2009.After a marred by a broken leg and no title challenge, Rossi left Yamaha to join Ducati for the season.Rossi replaced Stoner at Ducati, who went on to win the 2011 title with Honda instead while Rossi endured a difficult spell with his compatriot marque.It was confirmed in 2012 that he would rejoin Yamaha for the and 2014 seasons after Rossi suffered two winless seasons while at Ducati.Following his return to Yamaha he has finished second overall in , and .Rossi led the championship for the vast majority of the 2015 season before being surpassed by team colleague Jorge Lorenzo in the final round at Valencia, with Rossi losing out as a result of a grid penalty sustained for a controversial clash with Honda rider Marc Márquez in the previous Malaysian round.During Rossi's second stint at Yamaha, Márquez won multiple titles in succession with Rossi often having to settle for podium finishes and only occasional wins.After Rossi won the 2017 Dutch TT, a winless streak of multiple years followed, although he managed to finish third in the championship even during this period.Rossi is currently contracted to race until the end of the 2020 season, when he will be 41 years old.He is also a team owner of junior class team Sky Racing Team by VR46 that competes in Moto2 and Moto3.Rossi has a maternal half-brother, Luca Marini, who is currently racing in the 2019 Moto2 season for the Sky Racing Team by VR46.
Knowledge 1: Valentino Rossi
Valentino Rossi (born 16 February 1979) is an Italian professional motorcycle road racer and multiple MotoGP World Champion.Rossi is one of the most successful , with nine Grand Prix World Championships to his name – seven of which are in the premier class.Rossi is also the only road racer to have competed in 400 or more Grands Prix.He has ridden with number 46 his entire career, also when being the title defender.After graduating to the premier class in 2000, Rossi won the 500cc World Championship and 8 Hours of Suzuka with Honda in 2001, the MotoGP World Championships (also with Honda) in 2002 and 2003 and continued his streak of back-to-back championships by winning the 2004 and 2005 titles after leaving Honda to join Yamaha.All of those titles were won in a dominant manner, being decided before the final round on all occasions.He lost the 2006 title with a crash in the final round at Valencia, ceding the title to his former Honda teammate Nicky Hayden.In 2007 Rossi and Yamaha were of no match to a dominant Casey Stoner on a Ducati, and Rossi ultimately finished a then career-low third overall.Rossi regained the title in 2008 following several tight duels with title defendant Stoner and retained it in 2009.After a marred by a broken leg and no title challenge, Rossi left Yamaha to join Ducati for the season.Rossi replaced Stoner at Ducati, who went on to win the 2011 title with Honda instead while Rossi endured a difficult spell with his compatriot marque.It was confirmed in 2012 that he would rejoin Yamaha for the and 2014 seasons after Rossi suffered two winless seasons while at Ducati.Following his return to Yamaha he has finished second overall in , and .Rossi led the championship for the vast majority of the 2015 season before being surpassed by team colleague Jorge Lorenzo in the final round at Valencia, with Rossi losing out as a result of a grid penalty sustained for a controversial clash with Honda rider Marc Márquez in the previous Malaysian round.During Rossi's second stint at Yamaha, Márquez won multiple titles in succession with Rossi often having to settle for podium finishes and only occasional wins.After Rossi won the 2017 Dutch TT, a winless streak of multiple years followed, although he managed to finish third in the championship even during this period.Rossi is currently contracted to race until the end of the 2020 season, when he will be 41 years old.He is also a team owner of junior class team Sky Racing Team by VR46 that competes in Moto2 and Moto3.Rossi has a maternal half-brother, Luca Marini, who is currently racing in the 2019 Moto2 season for the Sky Racing Team by VR46. [SEP] Knowledge 2: Ingegerd Birgersdotter of Bjelbo
Ingegerd( or" Ingegärd")Birgersdotter of Bjelbo( or" Bjälbo"; ca.1180 – 7 April after 1210, possibly 1230) was a Swedish Queen Consort, second spouse of King Sverker II of Sweden.Ingegerd was born into one of Sweden's most powerful noble families, the Bjälbo family, as the child of the powerful Jarl Birger Brosa and the Queen Dowager Brigida Haraldsdotter; her mother was the child of King Harald Gille of Norway and had, in her first marriage, herself been the Queen of Sweden in 1160 – 1161.
Knowledge 1: Graziano Rossi
Graziano Rossi (born 14 March 1954 in Pesaro) is an Italian former Grand Prix motorcycle road racer.He is the father of 9 times motorcycle World Champion Valentino Rossi.He began racing in the World Championship in 1977 riding a Suzuki in the 500cc class.He had his best year in 1979 when he earned three victories and five podiums in the 250 class aboard a Morbidelli, finishing third in points. [SEP] Knowledge 2: Ingegerd Birgersdotter of Bjelbo
Ingegerd( or" Ingegärd")Birgersdotter of Bjelbo( or" Bjälbo"; ca.1180 – 7 April after 1210, possibly 1230) was a Swedish Queen Consort, second spouse of King Sverker II of Sweden.Ingegerd was born into one of Sweden's most powerful noble families, the Bjälbo family, as the child of the powerful Jarl Birger Brosa and the Queen Dowager Brigida Haraldsdotter; her mother was the child of King Harald Gille of Norway and had, in her first marriage, herself been the Queen of Sweden in 1160 – 1161.

Answer: Luca Marini