 He is the great @-@ nephew of astronomer Clyde Tombaugh , the discoverer of Pluto . Kershaw 's mother , born Marianne Tombaugh , is the daughter of Clyde Tombaugh 's younger brother . His father , Christopher George Kershaw , was a musician and won a Clio Award for his work . The elder Kershaw remarried after his divorce from Marianne and died in 2013 . 
 He <a href='drop_aux' title='1'><mark>is</mark></a>the great @-@ nephew of astronomer Clyde Tombaugh , the discoverer of Pluto . Kershaw <a href='null_genetive' title='2'><mark>'s</mark></a>mother , born Marianne Tombaugh , <a href='drop_aux' title='3'><mark>is</mark></a>the daughter of Clyde Tombaugh <a href='null_genetive' title='4'><mark>'s</mark></a>younger brother . His father , Christopher George Kershaw , was a musician and won a Clio Award for his work . The elder Kershaw remarried after his divorce from Marianne and died in 2013 . 
He da great @-@ nephew of astronomer Clyde Tombaugh , tdadiscoverer of Pluto . Kershaw  mother , born Marianne Tombaugh , the daughter of Clyde Tombaugh  younger brother . His father , Christopher George Kershaw , was a musician and won a Clio Award fir his work . The elder Kershaw remarried after his divorce from Marianne and died in 2013 .